La57 – Lanthanum
- Atomic Number57
- Atomic SymbolLa
- Atomic NameLanthanum
- Atomic Mass138.9055
- CPK Hex Color70D4FF
- Electron Configuration[Xe]6s2 5d1
- Electron Negativity1.1
- Atomic Radius240
- Ionization Energy5.577
- Electron Affinity0.5
- Oxidation States3
- Standard StateSolid
- Melting Point1191
- Boiling Point3737
- Density6.15
- Group BlockLanthanide
- Year Discovered1839
Periodic Table of Elements. (2022, December 23). In PubChem and the National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/periodic-table/#view=table