Atomic Properties
- Atomic Number
- 103
- Atomic Mass
- 266.0000 u
- Electron Configuration
- [Rn] 5f14 7s2 7p1
- Electronegativity
- 1.30
- Block
- d-block
- Group
- —
- Period
- 7
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 1900.00 K
- Boiling Point
- —
- Density
- 14.4000 g/cm³
About Lawrencium
Named after Ernest Lawrence, inventor of the cyclotron.
Isotopes of Lawrencium
Lawrencium has 0 naturally occurring isotopes, plus 1 notable radioactive isotope.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 262Lr | 262 | 262.10961 | — | Radioactive |
Data source: NIH PubChem (aggregated from IUPAC, NIST)