96
Cm
Curium
Actinide period 7 f-block discovered: 1944
As a chemical element
Properties of the atom — they do not depend on what substance it is part of.
- Atomic number
- 96
- Atomic mass
- 247.07035 a.m.u.
- Electron configuration
- [Rn]7s2 5f7 6d1
- Electronegativity
- 1.3 on the Pauling scale
- Atomic radius
- 245 pm
- Ionization energy
- 6.02 eV
- Oxidation states
- +3
As a simple substance
Properties of the substance these atoms form under ordinary conditions.
- State at 25 °C
- Solid
- Melting point
- 1618 K (1 344,85 °C)
- Boiling point
- 3400 K (3 126,85 °C)
- Density
- 13.51 g/cm³