Latin nameCadmium
English nameCadmium
chemical symbolCd
atomic number48
relative atomic mass112,8682
classificationtransition metals
discovery year1817
discovererF. Stromeyer
melting point [°C]320,9
boiling point [°C]765
density [g cm-3]8,65
density at melting point [g cm-3]7,996
electronegativity [Pauling]1,69
oxidation statesII
electron configuration[Kr]4d10 5s2
atomic radius [pm]161
covalent radius [pm]148
specific heat [J g-1K-1]0,23
heat of fusion [kJ mol-1]6,192
thermal conductivity [W m-1 K-1]97
el. conductivity [S m-1]4,4.107
1. ionizing potential [eV]8,9937
2. ionizing potential [eV]16,908
3. ionizing potential [eV]37,48
Mohs hardness2
Brinell hardness [MPa]203
shear modulus [GPa]19
Young's modulus [GPa]50
point of superconductivity [K]0,517
state at normal conditionssolid