48
Cd
Cadmium
Transition metal period 5 group 12 d-block discovered: 1817
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 48
- Atomic mass
- 112.41 a.m.u.
- Electron configuration
- [Kr]5s2 4d10
- Electronegativity
- 1.69 on the Pauling scale
- Atomic radius
- 158 pm
- Ionization energy
- 8.994 eV
- Oxidation states
- +2
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Solid
- Melting point
- 594.22 K (321,07 °C)
- Boiling point
- 1040 K (766,85 °C)
- Density
- 8.69 g/cm³