Plutonium (Pu)
A fascinating actinide element.
Plutonium is element 94 on the periodic table.
Element properties
- Atomic number
- 94
- Symbol
- Pu
- Atomic mass
- 244 u
- Category
- Actinide
- Period
- 7
- Group
- Not assigned
- Block
- f
- State
- Solid
- Electron configuration
- [Rn] 5f6 7s2
- Electronegativity (Pauling)
- 1.28
- Density
- 19.82 g/cm³
- Melting point
- 640 °C
- Boiling point
- 3228 °C