Technical data for Cadmium

Overview Name Cadmium Symbol Cd Atomic Number 48 Atomic Weight 112.414 Density 8.65 g/cm3 Melting Point 321.07 °C Boiling Point 767 °C Thermal properties Phase Solid Melting Point 321.07 °C Boiling Point 767 °C Absolute Melting Point 594.22 K Absolute Boiling Point 1040 K Critical Pressure N/A Critical Temperature N/A Heat of Fusion 6.3 kJ/mol Heat of Vaporization 100 kJ/mol Specific Heat 230 J/(kg K)[note] Adiabatic Index N/A Neel Point N/A Thermal Conductivity 96 W/(m K) Thermal Expansion 0.0000308 K-1 Bulk physical properties Density 8.65 g/cm3 Density (Liquid) 7.996 g/cm3 Molar Volume 0.000012996 Brinell Hardness 203 MPa Mohs Hardness 2 Vickers Hardness N/A Bulk Modulus 42 GPa Shear Modulus 19 GPa Young Modulus 50 GPa Poisson Ratio 0.3 Refractive Index N/A Speed of Sound 2310 m/s Thermal Conductivity 96 W/(m K) Thermal Expansion 0.0000308 K-1 Reactivity Valence 2 Electronegativity 1.69 ElectronAffinity 0 kJ/mol Ionization Energies 867.8, 1631.4, 3616 kJ/mol Health and Safety DOT Hazard Class 6.1 DOT Numbers 2570 RTECS Number RTECSEU9800000 NFPA Label

Classifications Alternate Names None Names of Allotropes None Block d Group 12 Period 5 Series Transition Metal Electron Configuration [Kr]5s24d10 Color Silver Discovery 1817 in Germany Gas phase N/A CAS Number CAS7440-43-9 CID Number CID23973 RTECS Number RTECSEU9800000 Electrical properties Electrical Type Conductor Electrical Conductivity 1.4×107 S/m Resistivity 7.000000000002×10-8 m Ω Superconducting Point 0.517 Magnetic properties Magnetic Type Diamagnetic Curie Point N/A Mass Magnetic Susceptibility -2.3×10-9 m3/Kg Molar Magnetic Susceptibility -2.59×10-10 m3/mol Volume Magnetic Susceptibility -0.0000199 Abundances % in Universe 2×10-7% % in Sun 6×10-7% % in Meteorites 0.000044% % in Earth's Crust 0.000015% % in Oceans 5×10-9% % in Humans 0.00007% Atomic dimensions and structure Atomic Radius 161 pm Covalent Radius 144 pm Van der Waals Radius 158 pm Crystal Structure Simple Hexagonal Lattice Angles π/2, π/2, 2 π/3 Lattice Constants 297.94, 297.94, 561.86 pm 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 2450 Neutron Mass Absorption 1.4 Known Isotopes 95Cd, 96Cd, 97Cd, 98Cd, 99Cd, 100Cd, 101Cd, 102Cd, 103Cd, 104Cd, 105Cd, 106Cd, 107Cd, 108Cd, 109Cd, 110Cd, 111Cd, 112Cd, 113Cd, 114Cd, 115Cd, 116Cd, 117Cd, 118Cd, 119Cd, 120Cd, 121Cd, 122Cd, 123Cd, 124Cd, 125Cd, 126Cd, 127Cd, 128Cd, 129Cd, 130Cd, 131Cd, 132Cd Stable Isotopes 106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 114Cd Isotopic Abundances 106Cd 1.25% 108Cd 0.89% 110Cd 12.49% 111Cd 12.8% 112Cd 24.13% 113Cd 12.22% 114Cd 28.73% 116Cd 7.49%