Overview |
Name | Zinc |
Symbol | Zn |
Atomic Number | 30 |
Atomic Weight | 65.38 |
Density | 7.14 g/cm3 |
Melting Point | 419.53 °C |
Boiling Point | 907 °C |
Thermal properties |
Phase | Solid |
Melting Point | 419.53 °C |
Boiling Point | 907 °C |
Absolute Melting Point | 692.68 K |
Absolute Boiling Point | 1180 K |
Critical Pressure | N/A |
Critical Temperature | N/A |
Heat of Fusion | 7.35 kJ/mol |
Heat of Vaporization | 119 kJ/mol |
Specific Heat | 388 J/(kg K)[note] |
Adiabatic Index | N/A |
Neel Point | N/A |
Thermal Conductivity | 120 W/(m K) |
Thermal Expansion | 0.0000302 K-1 |
Bulk physical properties |
Density | 7.14 g/cm3 |
Density (Liquid) | 6.57 g/cm3 |
Molar Volume | 9.157×10-6 |
Brinell Hardness | 412 MPa |
Mohs Hardness | 2.5 |
Vickers Hardness | N/A |
Bulk Modulus | 70 GPa |
Shear Modulus | 43 GPa |
Young Modulus | 108 GPa |
Poisson Ratio | 0.25 |
Refractive Index | 1.00205 |
Speed of Sound | 3700 m/s |
Thermal Conductivity | 120 W/(m K) |
Thermal Expansion | 0.0000302 K-1 |
Reactivity |
Valence | 2 |
Electronegativity | 1.65 |
ElectronAffinity | 0 kJ/mol |
Ionization Energies | 906.4, 1733.3, 3833, 5731, 7970, 10400, 12900, 16800, 19600, 23000, 26400, 29990, 40490, 43800, 47300, 52300, 55900, 59700, 67300, 71200, 179100 kJ/mol |
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Health and Safety |
DOT Hazard Class | |
DOT Numbers | 1436 |
RTECS Number | |
NFPA Label | |
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Classifications |
Alternate Names | None |
Names of Allotropes | None |
Block | d |
Group | 12 |
Period | 4 |
Series | Transition Metal |
Electron Configuration | [Ar]4s23d10 |
Color | SlateGray |
Discovery | |
Gas phase | N/A |
CAS Number | CAS7440-66-6 |
CID Number | |
RTECS Number | |
Electrical properties |
Electrical Type | Conductor |
Electrical Conductivity | 1.7×107 S/m |
Resistivity | 5.900000000001×10-8 m Ω |
Superconducting Point | 0.85 |
Magnetic properties |
Magnetic Type | Diamagnetic |
Curie Point | N/A |
Mass Magnetic Susceptibility | -2.21×10-9 m3/Kg |
Molar Magnetic Susceptibility | -1.45×10-10 m3/mol |
Volume Magnetic Susceptibility | -0.0000158 |
Abundances |
% in Universe | 0.00003% |
% in Sun | 0.0002% |
% in Meteorites | 0.018% |
% in Earth's Crust | 0.0078% |
% in Oceans | 5×10-7% |
% in Humans | 0.0033% |
Atomic dimensions and structure |
Atomic Radius | 142 pm |
Covalent Radius | 122 pm |
Van der Waals Radius | 139 pm |
Crystal Structure | Simple Hexagonal |
Lattice Angles | |
Lattice Constants | 266.49, 266.49, 494.68 pm |
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Space Group Name | P63/mmc |
Space Group Number | 194 |
Nuclear Properties |
Half-Life | Stable |
Lifetime | Stable |
Decay Mode | N/A |
Quantum Numbers | 1S0 |
Neutron Cross Section | 1.1 |
Neutron Mass Absorption | 0.00055 |
Known Isotopes | 54Zn, 55Zn, 56Zn, 57Zn, 58Zn, 59Zn, 60Zn, 61Zn, 62Zn, 63Zn, 64Zn, 65Zn, 66Zn, 67Zn, 68Zn, 69Zn, 70Zn, 71Zn, 72Zn, 73Zn, 74Zn, 75Zn, 76Zn, 77Zn, 78Zn, 79Zn, 80Zn, 81Zn, 82Zn, 83Zn |
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Stable Isotopes | |
Isotopic Abundances | |
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