Lawrencium (Lr)
A fascinating actinide element.
Lawrencium is element 103 on the periodic table.
Element properties
- Atomic number
- 103
- Symbol
- Lr
- Atomic mass
- 262 u
- Category
- Actinide
- Period
- 7
- Group
- Not assigned
- Block
- f
- State
- Unknown
- Electron configuration
- [Rn] 5f14 7s2 7p1
- Electronegativity (Pauling)
- 1.3
- Density
- Not available
- Melting point
- 1627 °C
- Boiling point
- Not available