Periodic Table · element
Lanthanum
La · Z 57
- atomic number
- 57
- atomic mass
- 138.91
- notation
- La
- group
- f-block: Lanthanide
- period
- 6
- state0c
- Solid
- state20c
- Solid
- occurrence
- Primordial
- density
- 6.162
- melting pt
- 1540
- boiling pt
- 3464
- discovered
- 1838
- abundance
- 39
- ore grade
- 15000
- ore minerals
- bastnäsite, monazite
- mined as
- Primary
- extraction
- Separated from the mixed rare-earth solution by solvent extraction after cerium is removed; the light-rare-earth end of the chain.
categories
#Lanthanide#Metal
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