americium — Am
The chemical element americium is an element of type Metal actinides with the symbol Am. It has an atomic mass of 243 u and an electronic configuration of [Rn] 5f7 7s2.
Synthétique
Radioactif
Liquide
Gaz
2607°
3
4
5
6
8
18
32
25
8
2
- Atomic number
- 95
- Atomic mass
- 243
- Symbol
- Am
- Melting point
- 994
- Boiling point
- 2607
- Density
- 13.69
- Period
- 7
- Group
- 0
- Discovery
- 1944 Seaborg et al.
- Abundance
- 0.001
- Radius
- 0
- Electronegativity
- 1.3
- Ionization
- 5.9738
- Isotope
- 133
- Electronic configuration
- [Rn] 5f7 7s2
- Oxidation state
- 2,3,4,5,6
- Electron
- 2,8,18,32,25,8,2