INDEX NEXT UP PREVIOUS ATG Lanthanum (La) Lanthanum (La)

Atomic Number: 57
Atomic Weight: 138.91
Melting Point: 921
Boiling Point: 3457
Specific Gravity: 6.145
Valence(s): 3
Mosander discovered Lanthanum in 1839. Lanthanum is the first metal of the Lanthanide Series. It is mainly found the minerals monazite and bastnasite. Lanthanum compounds are used throughout the motion picture industry in studio lighting and projection. The name comes from the Greek word lanthanein, which means to lie hidden.
[LM] {RW}

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