1 - H - Hydrogen

Atomic Weight: 1.00794 g/mol

Oxidation States: 1

Boiling Point: 20.28 K

Melting Point: 13.81 K

Density: 0.0899 (Gas 273K g/l)

Electron Configuration: 1s1

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 2.10

Heat of Vaporization: 0.4581 kJ/mol

Heat of Fusion: 0.0585 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.1815 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 14.304 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 13.598

Atomic Volume: 14.10 cm³/mol

Atomic Radius: 2.08 Å

Covalent Radius: 0.32 Å

Synthetic: No

2 - He - Helium

Atomic Weight: 4.00260 g/mol

Oxidation States: --

Boiling Point: 4.216 K

Melting Point: 0.95 K

Density: 0.1785 (Gas 273K g/l)

Electron Configuration: 1s2

Acid/Base Properties: --

Crystal Structure: Hexagonal

Electronegativity: --

Heat of Vaporization: 0.084 kJ/mol

Heat of Fusion: 0.021 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.152 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 5.193 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 24.587

Atomic Volume: 31.80 cm³/mol

Atomic Radius: --

Covalent Radius: 0.93 Å

Synthetic: No

3 - Li - Lithium

Atomic Weight: 6.941 g/mol

Oxidation States: 1

Boiling Point: 1615 K

Melting Point: 453.7 K

Density: 0.53 g/cm³

Electron Configuration: 1s2,2s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.98

Heat of Vaporization: 147.1 kJ/mol

Heat of Fusion: 3.0 kJ/mol

Electrical Conductivity: 11.7 10^6omg-¹cm-¹

Thermal Conductivity: 84.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 3.582 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.392

Atomic Volume: 13.10 cm³/mol

Atomic Radius: 1.55 Å

Covalent Radius: 1.23 Å

Synthetic: No

4 - Be - Beryllium

Atomic Weight: 9.01218 g/mol

Oxidation States: 2

Boiling Point: 3243 K

Melting Point: 1560 K

Density: 1.85 g/cm³

Electron Configuration: 1s2,2s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.57

Heat of Vaporization: 297 kJ/mol

Heat of Fusion: 11.71 kJ/mol

Electrical Conductivity: 25 10^6omg-¹cm-¹

Thermal Conductivity: 200 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.825 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 9.322

Atomic Volume: 5.0 cm³/mol

Atomic Radius: 1.12 Å

Covalent Radius: 0.90 Å

Synthetic: No

5 - B - Boron

Atomic Weight: 10.811 g/mol

Oxidation States: 3

Boiling Point: 4275 K

Melting Point: 2365 K

Density: 2.34 g/cm³

Electron Configuration: 1s2,2s2,p1

Acid/Base Properties: Acidic

Crystal Structure: Rhombohedral

Electronegativity: 2.04

Heat of Vaporization: 507.8 kJ/mol

Heat of Fusion: 22.6 kJ/mol

Electrical Conductivity: 5x10e-12 10^6omg-¹cm-¹

Thermal Conductivity: 27.0 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.026 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 8.298

Atomic Volume: 4.60 cm³/mol

Atomic Radius: 0.98 Å

Covalent Radius: 0.82 Å

Synthetic: No

6 - C - Carbon

Atomic Weight: 12.011 g/mol

Oxidation States: +/-4, 2

Boiling Point: 5100* K

Melting Point: 3825* K

Density: 2.26 g/cm³

Electron Configuration: 1s2,2s2,p2

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 2.55

Heat of Vaporization: 715 kJ/mol

Heat of Fusion: --

Electrical Conductivity: 0.07 10^6omg-¹cm-¹

Thermal Conductivity: 80-230 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.709 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 11.260

Atomic Volume: 5.30 cm³/mol

Atomic Radius: 0.91 Å

Covalent Radius: 0.77 Å

Synthetic: No

7 - N - Nitrogen

Atomic Weight: 14.0067 g/mol

Oxidation States: +/-3, 5,4,2

Boiling Point: 77.344 K

Melting Point: 63.15 K

Density: 1.251 (Gas 273K g/l)

Electron Configuration: 1s2,2s2,p3

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 3.04

Heat of Vaporization: 2.7928 kJ/mol

Heat of Fusion: 0.36 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.02598 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.042 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 14.534

Atomic Volume: 17.30 cm³/mol

Atomic Radius: 0.92 Å

Covalent Radius: 0.75 Å

Synthetic: No

8 - O - Oxygen

Atomic Weight: 15.9994 g/mol

Oxidation States: -2

Boiling Point: 90.188 K

Melting Point: 54.8 K

Density: 1.429 (Gas 273K g/l)

Electron Configuration: 1s2,2s2,p4

Acid/Base Properties: --

Crystal Structure: Cubic

Electronegativity: 3.44

Heat of Vaporization: 3.4109 kJ/mol

Heat of Fusion: 0.222 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.2674 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.92 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 13.618

Atomic Volume: 14.0 cm³/mol

Atomic Radius: 0.65 Å

Covalent Radius: 0.73 Å

Synthetic: No

9 - F - Fluorine

Atomic Weight: 18.99840 g/mol

Oxidation States: -1

Boiling Point: 85.0 K

Melting Point: 53.65 K

Density: 1.696 (Gas 273K g/l)

Electron Configuration: 1s2,2s2,p5

Acid/Base Properties: --

Crystal Structure: Cubic

Electronegativity: 3.98

Heat of Vaporization: 3.2698 kJ/mol

Heat of Fusion: 0.26 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.0279 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.824 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 17.422

Atomic Volume: 17.10 cm³/mol

Atomic Radius: 0.57 Å

Covalent Radius: 0.72 Å

Synthetic: No

10 - Ne - Neon

Atomic Weight: 20.1797 g/mol

Oxidation States: --

Boiling Point: 27.10 K

Melting Point: 24.55 K

Density: 0.900 (Gas 273K g/l)

Electron Configuration: 1s2,2s2,p6

Acid/Base Properties: --

Crystal Structure: Cubic, face centered

Electronegativity: --

Heat of Vaporization: 1.77 kJ/mol

Heat of Fusion: 0.34 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.0493 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.030 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 21.564

Atomic Volume: 16.90 cm³/mol

Atomic Radius: 0.51 Å

Covalent Radius: 0.71 Å

Synthetic: No

11 - Na - Sodium

Atomic Weight: 22.98977 g/mol

Oxidation States: 1

Boiling Point: 1156 K

Melting Point: 371.0 K

Density: 0.97 g/cm³

Electron Configuration: [Ne]3s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.93

Heat of Vaporization: 98.01 kJ/mol

Heat of Fusion: 2.601 kJ/mol

Electrical Conductivity: 20.1 10^6omg-¹cm-¹

Thermal Conductivity: 141 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.23 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.139

Atomic Volume: 23.70 cm³/mol

Atomic Radius: 1.90 Å

Covalent Radius: 1.23 Å

Synthetic: No

12 - Mg - Magnesium

Atomic Weight: 24.305 g/mol

Oxidation States: 2

Boiling Point: 1380 K

Melting Point: 922 K

Density: 1.74 g/cm³

Electron Configuration: [Ne]3s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.31

Heat of Vaporization: 127.6 kJ/mol

Heat of Fusion: 8.95 kJ/mol

Electrical Conductivity: 22.4 10^6omg-¹cm-¹

Thermal Conductivity: 156 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 1.02 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.646

Atomic Volume: 14.0 cm³/mol

Atomic Radius: 1.60 Å

Covalent Radius: 1.36 Å

Synthetic: No

13 - Al - Aluminum

Atomic Weight: 26.98154 g/mol

Oxidation States: 3

Boiling Point: 2740 K

Melting Point: 933.5 K

Density: 2.70 g/cm³

Electron Configuration: [Ne]3s2,p1

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, face centered

Electronegativity: 1.61

Heat of Vaporization: 290.8 kJ/mol

Heat of Fusion: 10.7 kJ/mol

Electrical Conductivity: 37.7 10^6omg-¹cm-¹

Thermal Conductivity: 237 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.90 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.986

Atomic Volume: 10.0 cm³/mol

Atomic Radius: 1.43 Å

Covalent Radius: 1.18 Å

Synthetic: No

14 - Si - Silicon

Atomic Weight: 28.0855 g/mol

Oxidation States: 4,2

Boiling Point: 2630 K

Melting Point: 1683 K

Density: 2.33 g/cm³

Electron Configuration: [Ne]3s2,p2

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, face centered

Electronegativity: 1.90

Heat of Vaporization: 359 kJ/mol

Heat of Fusion: 50.2 kJ/mol

Electrical Conductivity: 4x10e-4 10^6omg-¹cm-¹

Thermal Conductivity: 148 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.70 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 8.151

Atomic Volume: 12.1 cm³/mol

Atomic Radius: 1.32 Å

Covalent Radius: 1.11 Å

Synthetic: No

15 - P - Phosphorus

Atomic Weight: 30.97376 g/mol

Oxidation States: 5, +/-3,4

Boiling Point: 553 K

Melting Point: 317.3 K

Density: 1.82 g/cm³

Electron Configuration: [Ne]3s2,p3

Acid/Base Properties: Acidic

Crystal Structure: Monoclinic

Electronegativity: 2.19

Heat of Vaporization: 12.4 kJ/mol

Heat of Fusion: 0.63 kJ/mol

Electrical Conductivity: 10e-16 10^6omg-¹cm-¹

Thermal Conductivity: 0.235 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.769 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 10.486

Atomic Volume: 17.0 cm³/mol

Atomic Radius: 1.28 Å

Covalent Radius: 1.06 Å

Synthetic: No

16 - S - Sulfur

Atomic Weight: 32.066 g/mol

Oxidation States: 6, +/-2,4

Boiling Point: 717.62 K

Melting Point: 392.2 K

Density: 2.07 g/cm³

Electron Configuration: [Ne]3s2,p4

Acid/Base Properties: Acidic

Crystal Structure: Orthorhombic

Electronegativity: 2.58

Heat of Vaporization: 10 kJ/mol

Heat of Fusion: 1.73 kJ/mol

Electrical Conductivity: 5x10e-16 10^6omg-¹cm-¹

Thermal Conductivity: 0.269 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.710 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 10.360

Atomic Volume: 15.50 cm³/mol

Atomic Radius: 1.27 Å

Covalent Radius: 1.02 Å

Synthetic: No

17 - Cl - Chlorine

Atomic Weight: 35.4527 g/mol

Oxidation States: +/-1, 3,5,7

Boiling Point: 239.18 K

Melting Point: 172.17 K

Density: 3.214 (Gas 273K g/l)

Electron Configuration: [Ne]3s2,p5

Acid/Base Properties: Acidic

Crystal Structure: Orthorhombic

Electronegativity: 3.16

Heat of Vaporization: 10.20 kJ/mol

Heat of Fusion: 3.21 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.0089 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.48 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 12.967

Atomic Volume: 18.7 cm³/mol

Atomic Radius: 0.97 Å

Covalent Radius: 0.99 Å

Synthetic: No

18 - Ar - Argon

Atomic Weight: 39.948 g/mol

Oxidation States: --

Boiling Point: 87.45 K

Melting Point: 83.95 K

Density: 1.784 (Gas 273K g/l)

Electron Configuration: [Ne]3s2,p6

Acid/Base Properties: --

Crystal Structure: Cubic, face centered

Electronegativity: --

Heat of Vaporization: 6.506 kJ/mol

Heat of Fusion: 1.188 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.0177 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.520 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 15.759

Atomic Volume: 24.2 cm³/mol

Atomic Radius: 0.88 Å

Covalent Radius: 0.98 Å

Synthetic: No

19 - K - Potassium

Atomic Weight: 39.0983 g/mol

Oxidation States: 1

Boiling Point: 1033 K

Melting Point: 336.8 K

Density: 0.86 g/cm³

Electron Configuration: [Ar]4s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.82

Heat of Vaporization: 76.9 kJ/mol

Heat of Fusion: 2.33 kJ/mol

Electrical Conductivity: 16.4 10^6omg-¹cm-¹

Thermal Conductivity: 102.5 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.757 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 4.341

Atomic Volume: 45.30 cm³/mol

Atomic Radius: 2.35 Å

Covalent Radius: 2.03 Å

Synthetic: No

20 - Ca - Calcium

Atomic Weight: 40.078 g/mol

Oxidation States: 2

Boiling Point: 1757 K

Melting Point: 1112 K

Density: 1.55 g/cm³

Electron Configuration: [Ar]4s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 1.00

Heat of Vaporization: 154.67 kJ/mol

Heat of Fusion: 8.53 kJ/mol

Electrical Conductivity: 31.3 10^6omg-¹cm-¹

Thermal Conductivity: 200 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.647 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.113

Atomic Volume: 29.90 cm³/mol

Atomic Radius: 1.97 Å

Covalent Radius: 1.74 Å

Synthetic: No

21 - Sc - Scandium

Atomic Weight: 44.9559 g/mol

Oxidation States: 3

Boiling Point: 3109 K

Melting Point: 1814 K

Density: 2.99 g/cm³

Electron Configuration: [Ar]3d1,4s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.36

Heat of Vaporization: 304.80 kJ/mol

Heat of Fusion: 16.11 kJ/mol

Electrical Conductivity: 1.5 10^6omg-¹cm-¹

Thermal Conductivity: 15.8 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.568 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.54

Atomic Volume: 15.0 cm³/mol

Atomic Radius: 1.62 Å

Covalent Radius: 1.44 Å

Synthetic: No

22 - Ti - Titanium

Atomic Weight: 47.88 g/mol

Oxidation States: 4, 3

Boiling Point: 3560 K

Melting Point: 1935 K

Density: 4.54 g/cm³

Electron Configuration: [Ar]3d2,4s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.54

Heat of Vaporization: 425.2 kJ/mol

Heat of Fusion: 18.6 kJ/mol

Electrical Conductivity: 2.6 10^6omg-¹cm-¹

Thermal Conductivity: 21.9 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.523 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.82

Atomic Volume: 10.60 cm³/mol

Atomic Radius: 1.45 Å

Covalent Radius: 1.32 Å

Synthetic: No

23 - V - Vanadium

Atomic Weight: 50.9415 g/mol

Oxidation States: 5, 4,3,2

Boiling Point: 3650 K

Melting Point: 2136 K

Density: 6.11 g/cm³

Electron Configuration: [Ar]3d3,4s2

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, body centered

Electronegativity: 1.63

Heat of Vaporization: 446.7 kJ/mol

Heat of Fusion: 22.8 kJ/mol

Electrical Conductivity: 4.0 10^6omg-¹cm-¹

Thermal Conductivity: 30.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.489 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.74

Atomic Volume: 8.35 cm³/mol

Atomic Radius: 1.34 Å

Covalent Radius: 1.22 Å

Synthetic: No

24 - Cr - Chromium

Atomic Weight: 51.996 g/mol

Oxidation States: 3, 6,2

Boiling Point: 2945 K

Melting Point: 2130 K

Density: 7.19 g/cm³

Electron Configuration: [Ar]3d5,4s1

Acid/Base Properties: Acidic

Crystal Structure: Cubic, body centered

Electronegativity: 1.66

Heat of Vaporization: 339.5 kJ/mol

Heat of Fusion: 20 kJ/mol

Electrical Conductivity: 7.9 10^6omg-¹cm-¹

Thermal Conductivity: 93.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.449 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.766

Atomic Volume: 7.23 cm³/mol

Atomic Radius: 1.30 Å

Covalent Radius: 1.18 Å

Synthetic: No

25 - Mn - Manganese

Atomic Weight: 54.9380 g/mol

Oxidation States: 4,2, 7,6,3

Boiling Point: 2235 K

Melting Point: 1518 K

Density: 7.44 g/cm³

Electron Configuration: [Ar]3d5,4s2

Acid/Base Properties: Acidic

Crystal Structure: Cubic, body centered

Electronegativity: 1.55

Heat of Vaporization: 219.74 kJ/mol

Heat of Fusion: 14.64 kJ/mol

Electrical Conductivity: 0.5 10^6omg-¹cm-¹

Thermal Conductivity: 7.82 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.48 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.435

Atomic Volume: 7.39 cm³/mol

Atomic Radius: 1.35 Å

Covalent Radius: 1.17 Å

Synthetic: No

26 - Fe - Iron

Atomic Weight: 55.847 g/mol

Oxidation States: 3, 2

Boiling Point: 3023 K

Melting Point: 1808 K

Density: 7.874 g/cm³

Electron Configuration: [Ar]3d6,4s2

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, body centered

Electronegativity: 1.83

Heat of Vaporization: 349.5 kJ/mol

Heat of Fusion: 13.8 kJ/mol

Electrical Conductivity: 11.2 10^6omg-¹cm-¹

Thermal Conductivity: 80.2 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.449 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.870

Atomic Volume: 7.10 cm³/mol

Atomic Radius: 1.26 Å

Covalent Radius: 1.16 Å

Synthetic: No

27 - Co - Cobalt

Atomic Weight: 58.9332 g/mol

Oxidation States: 2, 3

Boiling Point: 3143 K

Melting Point: 1768 K

Density: 8.90 g/cm³

Electron Configuration: [Ar]3d7,4s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.88

Heat of Vaporization: 373.3 kJ/mol

Heat of Fusion: 16.19 kJ/mol

Electrical Conductivity: 17.9 10^6omg-¹cm-¹

Thermal Conductivity: 100 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.421 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.86

Atomic Volume: 6.70 cm³/mol

Atomic Radius: 1.25 Å

Covalent Radius: 1.16 Å

Synthetic: No

28 - Ni - Nickel

Atomic Weight: 58.6934 g/mol

Oxidation States: 2, 3

Boiling Point: 3005 K

Melting Point: 1726 K

Density: 8.90 g/cm³

Electron Configuration: [Ar]3d8,4s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 1.91

Heat of Vaporization: 377.5 kJ/mol

Heat of Fusion: 17.2 kJ/mol

Electrical Conductivity: 14.6 10^6omg-¹cm-¹

Thermal Conductivity: 90.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.444 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.635

Atomic Volume: 6.60 cm³/mol

Atomic Radius: 1.24 Å

Covalent Radius: 1.15 Å

Synthetic: No

29 - Cu - Copper

Atomic Weight: 63.546 g/mol

Oxidation States: 2, 1

Boiling Point: 2840 K

Melting Point: 1356.6 K

Density: 8.96 g/cm³

Electron Configuration: [Ar]3d10,4s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 1.90

Heat of Vaporization: 300.5 kJ/mol

Heat of Fusion: 13.14 kJ/mol

Electrical Conductivity: 60.7 10^6omg-¹cm-¹

Thermal Conductivity: 401 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.385 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.726

Atomic Volume: 7.10 cm³/mol

Atomic Radius: 1.28 Å

Covalent Radius: 1.17 Å

Synthetic: No

30 - Zn - Zinc

Atomic Weight: 65.39 g/mol

Oxidation States: 2

Boiling Point: 1180 K

Melting Point: 682.73 K

Density: 7.13 g/cm³

Electron Configuration: [Ar]3d10,4s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.65

Heat of Vaporization: 115.30 kJ/mol

Heat of Fusion: 7.38 kJ/mol

Electrical Conductivity: 16.9 10^6omg-¹cm-¹

Thermal Conductivity: 116 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.388 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 9.394

Atomic Volume: 9.20 cm³/mol

Atomic Radius: 1.38 Å

Covalent Radius: 1.25 Å

Synthetic: No

31 - Ga - Gallium

Atomic Weight: 69.723 g/mol

Oxidation States: 3

Boiling Point: 2478 K

Melting Point: 302.92 K

Density: 5.91 g/cm³

Electron Configuration: [Ar]3d10,4s2,p1

Acid/Base Properties: Amphoteric

Crystal Structure: Orthorhombic

Electronegativity: 1.81

Heat of Vaporization: 256.06 kJ/mol

Heat of Fusion: 5.59 kJ/mol

Electrical Conductivity: 1.8 10^6omg-¹cm-¹

Thermal Conductivity: 40.6 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.371 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.999

Atomic Volume: 11.80 cm³/mol

Atomic Radius: 1.41 Å

Covalent Radius: 1.26 Å

Synthetic: No

32 - Ge - Germanium

Atomic Weight: 72.61 g/mol

Oxidation States: 4

Boiling Point: 3107 K

Melting Point: 1211.5 K

Density: 5.32 g/cm³

Electron Configuration: [Ar]3d10,4s2,p2

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, face centered

Electronegativity: 2.01

Heat of Vaporization: 334.3 kJ/mol

Heat of Fusion: 31.8 kJ/mol

Electrical Conductivity: 4x10e-4 10^6omg-¹cm-¹

Thermal Conductivity: 59.9 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.32 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.899

Atomic Volume: 13.60 cm³/mol

Atomic Radius: 1.37 Å

Covalent Radius: 1.22 Å

Synthetic: No

33 - As - Arsenic

Atomic Weight: 74.9216 g/mol

Oxidation States: +/-3, 5

Boiling Point: 876 (subl.) K

Melting Point: 1090 (28 atm.) K

Density: 5.78 g/cm³

Electron Configuration: [Ar]3d10,4s2,p4

Acid/Base Properties: Acidic

Crystal Structure: Rhombohedral

Electronegativity: 2.18

Heat of Vaporization: 32.4 kJ/mol

Heat of Fusion: 27.7 kJ/mol

Electrical Conductivity: 3.8 10^6omg-¹cm-¹

Thermal Conductivity: 50 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.33 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 9.81

Atomic Volume: 13.10 cm³/mol

Atomic Radius: 1.39 Å

Covalent Radius: 1.20 Å

Synthetic: No

34 - Se - Selenium

Atomic Weight: 78.96 g/mol

Oxidation States: 4, -2,6

Boiling Point: 958 K

Melting Point: 494 K

Density: 4.79 g/cm³

Electron Configuration: [Ar]3d10,4s2,p4

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 2.55

Heat of Vaporization: 26.32 kJ/mol

Heat of Fusion: 5.54 kJ/mol

Electrical Conductivity: 8 10^6omg-¹cm-¹

Thermal Conductivity: 2.04 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.32 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 9.752

Atomic Volume: 16.50 cm³/mol

Atomic Radius: 1.40 Å

Covalent Radius: 1.16 Å

Synthetic: No

35 - Br - Bromine

Atomic Weight: 79.904 g/mol

Oxidation States: +/-1, 5,7

Boiling Point: 331.85 K

Melting Point: 265.95 K

Density: 3.12 g/cm³

Electron Configuration: [Ar]3d10,4s2,p5

Acid/Base Properties: Acidic

Crystal Structure: Orthorhombic

Electronegativity: 2.96

Heat of Vaporization: 14.725 kJ/mol

Heat of Fusion: 5.286 kJ/mol

Electrical Conductivity: 10e-16 10^6omg-¹cm-¹

Thermal Conductivity: 0.122 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.266 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 11.814

Atomic Volume: 23.5 cm³/mol

Atomic Radius: 1.12 Å

Covalent Radius: 1.14 Å

Synthetic: No

36 - Kr - Krypton

Atomic Weight: 83.80 g/mol

Oxidation States: 0,2

Boiling Point: 120.85 K

Melting Point: 116 K

Density: 1.784 (Gas 273K g/l)

Electron Configuration: [Ar]3d10,4s2,p6

Acid/Base Properties: --

Crystal Structure: Cubic, face centered

Electronegativity: --

Heat of Vaporization: 9.029 kJ/mol

Heat of Fusion: 1.638 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.00949 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.248 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 13.999

Atomic Volume: 32.2 cm³/mol

Atomic Radius: 1.03 Å

Covalent Radius: 1.89 Å

Synthetic: No

37 - Rb - Rubidium

Atomic Weight: 85.4678 g/mol

Oxidation States: 1

Boiling Point: 961 K

Melting Point: 312.63 K

Density: 1.532 g/cm³

Electron Configuration: [Kr]5s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.82

Heat of Vaporization: 69.2 kJ/mol

Heat of Fusion: 2.34 kJ/mol

Electrical Conductivity: 47.8 10^6omg-¹cm-¹

Thermal Conductivity: 58.2 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.363 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 4.177

Atomic Volume: 55.9 cm³/mol

Atomic Radius: 2.48 Å

Covalent Radius: 2.16 Å

Synthetic: No

38 - Sr - Strontium

Atomic Weight: 87.62 g/mol

Oxidation States: 2

Boiling Point: 1655 K

Melting Point: 1042 K

Density: 2.54 g/cm³

Electron Configuration: [Kr]5s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 0.95

Heat of Vaporization: 136.9 kJ/mol

Heat of Fusion: 8.2 kJ/mol

Electrical Conductivity: 5.0 10^6omg-¹cm-¹

Thermal Conductivity: 35.3 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.30 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.695

Atomic Volume: 33.7 cm³/mol

Atomic Radius: 2.15 Å

Covalent Radius: 1.91 Å

Synthetic: No

39 - Y - Yttrium

Atomic Weight: 88.9059 g/mol

Oxidation States: 3

Boiling Point: 3611 K

Melting Point: 1795 K

Density: 4.47 g/cm³

Electron Configuration: [Kr]4d1,5s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.22

Heat of Vaporization: 393.3 kJ/mol

Heat of Fusion: 17.15 kJ/mol

Electrical Conductivity: 1.8 10^6omg-¹cm-¹

Thermal Conductivity: 17.2 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.30 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.38

Atomic Volume: 19.80 cm³/mol

Atomic Radius: 1.78 Å

Covalent Radius: 1.62 Å

Synthetic: No

40 - Zr - Zirconium

Atomic Weight: 91.224 g/mol

Oxidation States: 4

Boiling Point: 4682 K

Melting Point: 2128 K

Density: 6.51 g/cm³

Electron Configuration: [Kr]4d2,5s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.33

Heat of Vaporization: 590.5 kJ/mol

Heat of Fusion: 21 kJ/mol

Electrical Conductivity: 2.3 10^6omg-¹cm-¹

Thermal Conductivity: 22.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.278 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.84

Atomic Volume: 14.10 cm³/mol

Atomic Radius: 1.60 Å

Covalent Radius: 1.45 Å

Synthetic: No

41 - Nb - Niobium

Atomic Weight: 92.9064 g/mol

Oxidation States: 5, 3

Boiling Point: 5015 K

Melting Point: 2742 K

Density: 8.57 g/cm³

Electron Configuration: [Kr]4d4,5s1

Acid/Base Properties: Acidic

Crystal Structure: Cubic, body centered

Electronegativity: 1.6

Heat of Vaporization: 690.1 kJ/mol

Heat of Fusion: 26.9 kJ/mol

Electrical Conductivity: 6.6 10^6omg-¹cm-¹

Thermal Conductivity: 53.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.265 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.88

Atomic Volume: 10.80 cm³/mol

Atomic Radius: 1.46 Å

Covalent Radius: 1.34 Å

Synthetic: No

42 - Mo - Molybdenum

Atomic Weight: 95.94 g/mol

Oxidation States: 6, 5,4,3,2

Boiling Point: 4912 K

Melting Point: 2896 K

Density: 10.22 g/cm³

Electron Configuration: [Kr]4d5,5s1

Acid/Base Properties: Acidic

Crystal Structure: Cubic, body centered

Electronegativity: 2.16

Heat of Vaporization: 590.4 kJ/mol

Heat of Fusion: 36 kJ/mol

Electrical Conductivity: 17.3 10^6omg-¹cm-¹

Thermal Conductivity: 138 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.25 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.099

Atomic Volume: 9.40 cm³/mol

Atomic Radius: 1.39 Å

Covalent Radius: 1.30 Å

Synthetic: No

43 - Tc - Technetium

Atomic Weight: 98 (iso.) g/mol

Oxidation States: 7

Boiling Point: 4538 K

Melting Point: 2477 K

Density: 11.5 g/cm³

Electron Configuration: [Kr]4d5,5s2

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 1.9

Heat of Vaporization: 502.0 kJ/mol

Heat of Fusion: 23 kJ/mol

Electrical Conductivity: 0.001 10^6omg-¹cm-¹

Thermal Conductivity: 50.6 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.24 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.28

Atomic Volume: 8.5 cm³/mol

Atomic Radius: 1.36 Å

Covalent Radius: 1.27 Å

Synthetic: Yes

44 - Ru - Ruthenium

Atomic Weight: 101.07 g/mol

Oxidation States: 4, 2,3,6,8

Boiling Point: 4425 K

Melting Point: 2610 K

Density: 12.37 g/cm³

Electron Configuration: [Kr]4d7,5s1

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 2.2

Heat of Vaporization: 567.77 kJ/mol

Heat of Fusion: 25.52 kJ/mol

Electrical Conductivity: 14.9 10^6omg-¹cm-¹

Thermal Conductivity: 117 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.238 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.37

Atomic Volume: 8.30 cm³/mol

Atomic Radius: 1.34 Å

Covalent Radius: 1.25 Å

Synthetic: No

45 - Rh - Rhodium

Atomic Weight: 102.9055 g/mol

Oxidation States: 3, 2,4

Boiling Point: 3970 K

Melting Point: 2236 K

Density: 12.41 g/cm³

Electron Configuration: [Kr]4d8,5s1

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, face centered

Electronegativity: 2.28

Heat of Vaporization: 495.39 kJ/mol

Heat of Fusion: 21.76 kJ/mol

Electrical Conductivity: 23 10^6omg-¹cm-¹

Thermal Conductivity: 150 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.242 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.46

Atomic Volume: 8.30 cm³/mol

Atomic Radius: 1.34 Å

Covalent Radius: 1.25 Å

Synthetic: No

46 - Pd - Palladium

Atomic Weight: 106.42 g/mol

Oxidation States: 2,4

Boiling Point: 3240 K

Melting Point: 1825 K

Density: 12.0 g/cm³

Electron Configuration: [Kr]4d10

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 2.20

Heat of Vaporization: 393.3 kJ/mol

Heat of Fusion: 16.74 kJ/mol

Electrical Conductivity: 10.0 10^6omg-¹cm-¹

Thermal Conductivity: 71.8 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.244 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 8.34

Atomic Volume: 8.90 cm³/mol

Atomic Radius: 1.37 Å

Covalent Radius: 1.28 Å

Synthetic: No

47 - Ag - Silver

Atomic Weight: 107.868 g/mol

Oxidation States: 1

Boiling Point: 2436 K

Melting Point: 1235.08 K

Density: 10.50 g/cm³

Electron Configuration: [Kr]4d10,5s1

Acid/Base Properties: Amphoteric

Crystal Structure: Cubic, face centered

Electronegativity: 1.93

Heat of Vaporization: 250.60 kJ/mol

Heat of Fusion: 11.30 kJ/mol

Electrical Conductivity: 62.9 10^6omg-¹cm-¹

Thermal Conductivity: 429 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.235 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.576

Atomic Volume: 10.30 cm³/mol

Atomic Radius: 1.44 Å

Covalent Radius: 1.34 Å

Synthetic: No

48 - Cd - Cadmium

Atomic Weight: 112.41 g/mol

Oxidation States: 2

Boiling Point: 1040 K

Melting Point: 594.26 K

Density: 8.65 g/cm³

Electron Configuration: [Kr]4d10,5s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.69

Heat of Vaporization: 99.87 kJ/mol

Heat of Fusion: 6.07 kJ/mol

Electrical Conductivity: 14.7 10^6omg-¹cm-¹

Thermal Conductivity: 96.8 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.232 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 8.993

Atomic Volume: 13.10 cm³/mol

Atomic Radius: 1.71 Å

Covalent Radius: 1.41 Å

Synthetic: No

49 - In - Indium

Atomic Weight: 114.82 g/mol

Oxidation States: 3

Boiling Point: 2350 K

Melting Point: 429.78 K

Density: 7.31 g/cm³

Electron Configuration: [Kr]4d10,5s2,p1

Acid/Base Properties: Amphoteric

Crystal Structure: Tetragonal

Electronegativity: 1.78

Heat of Vaporization: 226.35 kJ/mol

Heat of Fusion: 3.26 kJ/mol

Electrical Conductivity: 3.4 10^6omg-¹cm-¹

Thermal Conductivity: 81.6 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.233 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.786

Atomic Volume: 15.70 cm³/mol

Atomic Radius: 1.66 Å

Covalent Radius: 1.44 Å

Synthetic: No

50 - Sn - Tin

Atomic Weight: 118.710 g/mol

Oxidation States: 4, 2

Boiling Point: 2876 K

Melting Point: 505.12 K

Density: 7.31 g/cm³

Electron Configuration: [Kr]4d10,5s2,p2

Acid/Base Properties: Amphoteric

Crystal Structure: Tetragonal

Electronegativity: 1.96

Heat of Vaporization: 290.37 kJ/mol

Heat of Fusion: 7.2 kJ/mol

Electrical Conductivity: 8.7 10^6omg-¹cm-¹

Thermal Conductivity: 66.6 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.228 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.344

Atomic Volume: 16.30 cm³/mol

Atomic Radius: 1.62 Å

Covalent Radius: 1.41 Å

Synthetic: No

51 - Sb - Antimony

Atomic Weight: 121.757 g/mol

Oxidation States: +/-3, 5

Boiling Point: 1860 K

Melting Point: 903.91 K

Density: 6.69 g/cm³

Electron Configuration: [Kr]4d10,5s2,p3

Acid/Base Properties: Acidic

Crystal Structure: Rhombohedral

Electronegativity: 2.05

Heat of Vaporization: 67.97 kJ/mol

Heat of Fusion: 19.83 kJ/mol

Electrical Conductivity: 2.6 10^6omg-¹cm-¹

Thermal Conductivity: 24.3 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.207 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 8.641

Atomic Volume: 18.40 cm³/mol

Atomic Radius: 1.59 Å

Covalent Radius: 1.40 Å

Synthetic: No

52 - Te - Tellurium

Atomic Weight: 127.60 g/mol

Oxidation States: 4, -2,6

Boiling Point: 1261 K

Melting Point: 722.72 K

Density: 6.24 g/cm³

Electron Configuration: [Kr]4d10,5s2,p4

Acid/Base Properties: Acidic

Crystal Structure: Hexagonal

Electronegativity: 2.1

Heat of Vaporization: 50.63 kJ/mol

Heat of Fusion: 17.49 kJ/mol

Electrical Conductivity: 2x10e-4 10^6omg-¹cm-¹

Thermal Conductivity: 2.35 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.202 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 9.009

Atomic Volume: 20.50 cm³/mol

Atomic Radius: 1.42 Å

Covalent Radius: 1.36 Å

Synthetic: No

53 - I - Iodine

Atomic Weight: 126.9045 g/mol

Oxidation States: +/-1, 5,7

Boiling Point: 457.5 K

Melting Point: 386.7 K

Density: 4.93 g/cm³

Electron Configuration: [Kr]4d10,5s2,p5

Acid/Base Properties: Acidic

Crystal Structure: Orthorhombic

Electronegativity: 2.66

Heat of Vaporization: 20.9 kJ/mol

Heat of Fusion: 7.76 kJ/mol

Electrical Conductivity: 10e-11 10^6omg-¹cm-¹

Thermal Conductivity: 0.449 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.145 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 10.451

Atomic Volume: 25.70 cm³/mol

Atomic Radius: 1.32 Å

Covalent Radius: 1.33 Å

Synthetic: No

54 - Xe - Xenon

Atomic Weight: 131.29 g/mol

Oxidation States: 0,2,4,6

Boiling Point: 165.1 K

Melting Point: 161.39 K

Density: 5.90 (Gas 273K g/l)

Electron Configuration: [Kr]4d10,5s2,p6

Acid/Base Properties: --

Crystal Structure: Cubic, face centered

Electronegativity: 2.6

Heat of Vaporization: 12.64 kJ/mol

Heat of Fusion: 2.30 kJ/mol

Electrical Conductivity: --

Thermal Conductivity: 0.00569 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.158 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 12.130

Atomic Volume: 42.9 cm³/mol

Atomic Radius: 1.24 Å

Covalent Radius: 1.31 Å

Synthetic: No

55 - Cs - Cesium

Atomic Weight: 132.9054 g/mol

Oxidation States: 1

Boiling Point: 944 K

Melting Point: 301.54 K

Density: 1.87 g/cm³

Electron Configuration: [Xe]6s1

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.79

Heat of Vaporization: 67.740 kJ/mol

Heat of Fusion: 2.092 kJ/mol

Electrical Conductivity: 5.3 10^6omg-¹cm-¹

Thermal Conductivity: 35.9 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.24 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 3.894

Atomic Volume: 70 cm³/mol

Atomic Radius: 2.67 Å

Covalent Radius: 2.35 Å

Synthetic: No

56 - Ba - Barium

Atomic Weight: 137.33 g/mol

Oxidation States: 2

Boiling Point: 2079 K

Melting Point: 1002 K

Density: 3.59 g/cm³

Electron Configuration: [Xe]6s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 0.89

Heat of Vaporization: 140.2 kJ/mol

Heat of Fusion: 8.01 kJ/mol

Electrical Conductivity: 2.8 10^6omg-¹cm-¹

Thermal Conductivity: 18.4 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.204 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.212

Atomic Volume: 39.0 cm³/mol

Atomic Radius: 2.22 Å

Covalent Radius: 1.98 Å

Synthetic: No

57 - La - Lanthanum

Atomic Weight: 138.9055 g/mol

Oxidation States: 3

Boiling Point: 3737 K

Melting Point: 1191 K

Density: 6.15 g/cm³

Electron Configuration: [Xe]5d1,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.10

Heat of Vaporization: 399.57 kJ/mol

Heat of Fusion: 11.3 kJ/mol

Electrical Conductivity: 1.9 10^6omg-¹cm-¹

Thermal Conductivity: 13.5 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.19 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.58

Atomic Volume: 22.5 cm³/mol

Atomic Radius: 1.38 Å

Covalent Radius: 1.25 Å

Synthetic: No

58 - Ce - Cerium

Atomic Weight: 140.12 g/mol

Oxidation States: 3,4

Boiling Point: 3715 K

Melting Point: 1071 K

Density: 6.77 g/cm³

Electron Configuration: [Xe]4f2,6s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 1.12

Heat of Vaporization: 313.8 kJ/mol

Heat of Fusion: 9.20 kJ/mol

Electrical Conductivity: 1.4 10^6omg-¹cm-¹

Thermal Conductivity: 11.4 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.19 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.47

Atomic Volume: 21.0 cm³/mol

Atomic Radius: 1.81 Å

Covalent Radius: 1.65 Å

Synthetic: No

59 - Pr - Praseodymium

Atomic Weight: 140.9077 g/mol

Oxidation States: 3,4

Boiling Point: 3785 K

Melting Point: 1204 K

Density: 6.77 g/cm³

Electron Configuration: [Xe]4f3,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.13

Heat of Vaporization: 332.63 kJ/mol

Heat of Fusion: 10.04 kJ/mol

Electrical Conductivity: 1.5 10^6omg-¹cm-¹

Thermal Conductivity: 12.5 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.193 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.42

Atomic Volume: 20.8 cm³/mol

Atomic Radius: 1.82 Å

Covalent Radius: 1.65 Å

Synthetic: No

60 - Nd - Neodymium

Atomic Weight: 144.24 g/mol

Oxidation States: 3

Boiling Point: 3347 K

Melting Point: 1294 K

Density: 6.77 g/cm³

Electron Configuration: [Xe]4f4,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.14

Heat of Vaporization: 283.68 kJ/mol

Heat of Fusion: 10.88 kJ/mol

Electrical Conductivity: 1.6 10^6omg-¹cm-¹

Thermal Conductivity: 16.5 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.190 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.49

Atomic Volume: 20.6 cm³/mol

Atomic Radius: 1.82 Å

Covalent Radius: 1.64 Å

Synthetic: No

61 - Pm - Promethium

Atomic Weight: 145 (most stable) g/mol

Oxidation States: 3

Boiling Point: 3273 K

Melting Point: 1315 K

Density: 7.22 g/cm³

Electron Configuration: [Xe]4f5,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.13

Heat of Vaporization: --

Heat of Fusion: --

Electrical Conductivity: 2 10^6omg-¹cm-¹

Thermal Conductivity: 17.9 (300K) Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: --

First Ionization Potential: 5.55

Atomic Volume: 22.4 cm³/mol

Atomic Radius: --

Covalent Radius: 1.63 Å

Synthetic: Yes

62 - Sm - Samarium

Atomic Weight: 150.36 g/mol

Oxidation States: 3, 2

Boiling Point: 2067 K

Melting Point: 1347 K

Density: 7.52 g/cm³

Electron Configuration: [Xe]4f6,6s2

Acid/Base Properties: Basic

Crystal Structure: Rhombohedral

Electronegativity: 1.17

Heat of Vaporization: 191.63 kJ/mol

Heat of Fusion: 11.09 kJ/mol

Electrical Conductivity: 1.1 10^6omg-¹cm-¹

Thermal Conductivity: 13.3 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.197 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.63

Atomic Volume: 19.90 cm³/mol

Atomic Radius: 1.81 Å

Covalent Radius: 1.62 Å

Synthetic: No

63 - Eu - Europium

Atomic Weight: 151.965 g/mol

Oxidation States: 3, 2

Boiling Point: 1800 K

Melting Point: 1095 K

Density: 5.24 g/cm³

Electron Configuration: [Xe]4f7,6s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, body centered

Electronegativity: 1.2

Heat of Vaporization: 175.73 kJ/mol

Heat of Fusion: 10.46 kJ/mol

Electrical Conductivity: 1.1 10^6omg-¹cm-¹

Thermal Conductivity: 13.9 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.182 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.67

Atomic Volume: 28.9 cm³/mol

Atomic Radius: 1.99 Å

Covalent Radius: 1.85 Å

Synthetic: No

64 - Gd - Gadolinium

Atomic Weight: 157.25 g/mol

Oxidation States: 3

Boiling Point: 3545 K

Melting Point: 1585 K

Density: 7.90 g/cm³

Electron Configuration: [Xe]4f7,5d1,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.20

Heat of Vaporization: 311.71 kJ/mol

Heat of Fusion: 15.48 kJ/mol

Electrical Conductivity: 0.8 10^6omg-¹cm-¹

Thermal Conductivity: 10.6 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.236 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.15

Atomic Volume: 19.9 cm³/mol

Atomic Radius: 1.80 Å

Covalent Radius: 1.61 Å

Synthetic: No

65 - Tb - Terbium

Atomic Weight: 158.9253 g/mol

Oxidation States: 3, 4

Boiling Point: 3500 K

Melting Point: 1629 K

Density: 8.23 g/cm³

Electron Configuration: [Xe]4f9,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.1

Heat of Vaporization: --

Heat of Fusion: --

Electrical Conductivity: 0.9 10^6omg-¹cm-¹

Thermal Conductivity: 11.1 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.18 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.86

Atomic Volume: 19.2 cm³/mol

Atomic Radius: 1.80 Å

Covalent Radius: 1.59 Å

Synthetic: No

66 - Dy - Dysprosium

Atomic Weight: 162.50 g/mol

Oxidation States: 3

Boiling Point: 2840 K

Melting Point: 1685 K

Density: 8.55 g/cm³

Electron Configuration: [Xe]4f10,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.22

Heat of Vaporization: 230 kJ/mol

Heat of Fusion: 11.06 kJ/mol

Electrical Conductivity: 1.1 10^6omg-¹cm-¹

Thermal Conductivity: 10.7 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.173 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.93

Atomic Volume: 19.0 cm³/mol

Atomic Radius: 1.80 Å

Covalent Radius: 1.59 Å

Synthetic: No

67 - Ho - Holmium

Atomic Weight: 164.9303 g/mol

Oxidation States: 3

Boiling Point: 2968 K

Melting Point: 1747 K

Density: 8.80 g/cm³

Electron Configuration: [Xe]4f11,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.23

Heat of Vaporization: 251.04 kJ/mol

Heat of Fusion: 17.15 kJ/mol

Electrical Conductivity: 1.1 10^6omg-¹cm-¹

Thermal Conductivity: 16.2 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.165 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.02

Atomic Volume: 18.7 cm³/mol

Atomic Radius: 1.79 Å

Covalent Radius: 1.58 Å

Synthetic: No

68 - Er - Erbium

Atomic Weight: 167.26 g/mol

Oxidation States: 3

Boiling Point: 3140 K

Melting Point: 1802 K

Density: 9.07 g/cm³

Electron Configuration: [Xe]4f12,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.24

Heat of Vaporization: 292.88 kJ/mol

Heat of Fusion: 17.15 kJ/mol

Electrical Conductivity: 1.2 10^6omg-¹cm-¹

Thermal Conductivity: 14.3 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.168 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.101

Atomic Volume: 18.4 cm³/mol

Atomic Radius: 1.78 Å

Covalent Radius: 1.57 Å

Synthetic: No

69 - Tm - Thulium

Atomic Weight: 168.9342 g/mol

Oxidation States: 3, 2

Boiling Point: 2223 K

Melting Point: 1818 K

Density: 9.32 g/cm³

Electron Configuration: [Xe]4f13,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.25

Heat of Vaporization: 191* kJ/mol

Heat of Fusion: 16.8* kJ/mol

Electrical Conductivity: 1.3 10^6omg-¹cm-¹

Thermal Conductivity: 16.8 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.16 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.184

Atomic Volume: 18.1 cm³/mol

Atomic Radius: 1.77 Å

Covalent Radius: 1.56 Å

Synthetic: No

70 - Yb - Ytterbium

Atomic Weight: 173.04 g/mol

Oxidation States: 3, 2

Boiling Point: 1469 K

Melting Point: 1092 K

Density: 6.97 g/cm³

Electron Configuration: [Xe]4f14,6s2

Acid/Base Properties: Basic

Crystal Structure: Cubic, face centered

Electronegativity: 1.1

Heat of Vaporization: 128* kJ/mol

Heat of Fusion: 7.7* kJ/mol

Electrical Conductivity: 3.7 10^6omg-¹cm-¹

Thermal Conductivity: 34.9 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.155 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.254

Atomic Volume: 24.8 cm³/mol

Atomic Radius: 1.94 Å

Covalent Radius: 1.70 Å

Synthetic: No

71 - Lu - Lutetium

Atomic Weight: 174.967 g/mol

Oxidation States: 3

Boiling Point: 3668 K

Melting Point: 1936 K

Density: 9.84 g/cm³

Electron Configuration: [Xe]4f14,5d1,6s2

Acid/Base Properties: Basic

Crystal Structure: Hexagonal

Electronegativity: 1.27

Heat of Vaporization: 355* kJ/mol

Heat of Fusion: 18.6* kJ/mol

Electrical Conductivity: 1.5 10^6omg-¹cm-¹

Thermal Conductivity: 16.4 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.15 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 5.43

Atomic Volume: 17.8 cm³/mol

Atomic Radius: 1.75 Å

Covalent Radius: 1.56 Å

Synthetic: No

72 - Hf - Hafnium

Atomic Weight: 178.49 g/mol

Oxidation States: 4

Boiling Point: 4875 K

Melting Point: 2504 K

Density: 13.31 g/cm³

Electron Configuration: [Xe]4f14,5d2,6s2

Acid/Base Properties: Amphoteric

Crystal Structure: Hexagonal

Electronegativity: 1.3

Heat of Vaporization: 661.07 kJ/mol

Heat of Fusion: 21.76 kJ/mol

Electrical Conductivity: 3.4 10^6omg-¹cm-¹

Thermal Conductivity: 23.0 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.14 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 6.65

Atomic Volume: 13.6 cm³/mol

Atomic Radius: 1.67 Å

Covalent Radius: 1.44 Å

Synthetic: No

73 - Ta - Tantalum

Atomic Weight: 180.9479 g/mol

Oxidation States: 5

Boiling Point: 5730 K

Melting Point: 3293 K

Density: 16.65 g/cm³

Electron Configuration: [Xe]4f14,5d3,6s2

Acid/Base Properties: Acidic

Crystal Structure: Cubic, body centered

Electronegativity: 1.5

Heat of Vaporization: 737.0 kJ/mol

Heat of Fusion: 36 kJ/mol

Electrical Conductivity: 8.1 10^6omg-¹cm-¹

Thermal Conductivity: 57.5 Wm-¹K-¹ (at 300 K)

Specific Heat Capacity: 0.14 Jg-¹K-¹ (at 300 K)

First Ionization Potential: 7.89

Atomic Volume: 10.90 cm³/mol

Atomic Radius: 1.49 Å

Covalent Radius: 1.34 Å

Synthetic: No