Fermium (Fm)
A fascinating actinide element.
Fermium is element 100 on the periodic table.
Element properties
- Atomic number
- 100
- Symbol
- Fm
- Atomic mass
- 257 u
- Category
- Actinide
- Period
- 7
- Group
- Not assigned
- Block
- f
- State
- Unknown
- Electron configuration
- [Rn] 5f12 7s2
- Electronegativity (Pauling)
- 1.3
- Density
- Not available
- Melting point
- 1527 °C
- Boiling point
- Not available