94 Pu
Actinide
Plutonium
Used in nuclear weapons.
Properties of Plutonium
- Atomic number (Z)
- 94
- Symbol
- Pu
- Atomic mass
- 244 g/mol
- Category
- Actinide
- Group
- 3
- Period
- 7
- Electron configuration
- [Rn] 5f⁶ 7s²
- Electronegativity (Pauling)
- 1.28
- Atomic radius
- 175 pm
- First ionization energy
- 585 kJ/mol
- Melting point
- 912.5 K (639.4 °C)
- Boiling point
- 3505 K (3231.8 °C)
- Density
- 19.84 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1940
Frequently asked questions
What is Plutonium?
Plutonium (Pu) is an actinide, element number 94 on the periodic table. Used in nuclear weapons.
What is the atomic number and atomic mass of Plutonium?
Plutonium has atomic number 94 and an atomic mass of about 244 g/mol.
What is the electron configuration of Plutonium?
The electron configuration of Plutonium is [Rn] 5f⁶ 7s².
Where is Plutonium on the periodic table?
Plutonium sits in group 3, period 7, and is classified as a actinide.