Lr
Lawrencium (Atomic Number 103)
Category: actinide | Period 7, Group 3 | Block: d
Heavy synthetic element marking the end of the actinide series.
Atomic & Physical Constants
- Standard Atomic Weight:
- 266 u
- Standard State Phase:
- Synthetic
- Electron Configuration:
- 2, 8, 18, 32, 32, 8, 3
- Electronegativity (Pauling):
- 1.3
- Melting Point:
- 1900 K
- Boiling Point:
- N/A
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Relativistic electron cloud structure studies
Discovery History
Discovered by Lawrence Berkeley National Laboratory (1961).
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