Curium — Cm
The chemical element Curium is an element of type Metal actinides with the symbol Cm. It has an atomic mass of 247 u and an electronic configuration of [Rn] 5f7 6d1 7s2.
Synthétique
Radioactif
Liquide
Gaz
4
8
18
32
25
9
2
- Atomic number
- 96
- Atomic mass
- 247
- Symbol
- Cm
- Melting point
- 1340
- Boiling point
- 0
- Density
- 13.51
- Period
- 7
- Group
- 0
- Discovery
- 1944 Seaborg et al.
- Abundance
- 0.001
- Radius
- 0
- Electronegativity
- 1.3
- Ionization
- 5.9915
- Isotope
- 133
- Electronic configuration
- [Rn] 5f7 6d1 7s2
- Oxidation state
- 3,4
- Electron
- 2,8,18,32,25,9,2