Lanthanum

Lanthanum is a silvery-white, malleable transition metal; it is the prototype of the lanthanide series.

Juan

Jan 7, 2026

40 min read

Table of Contents

57 Atomic Number

Atomic Weight 138.91

Melting Point 920°C

Boiling Point 3464°C

Element & Symbol	Atomic Number	Major Use(s)
Lanthanum (La)	57	Hybrid car batteries, camera lenses, fluid catalytic cracking catalysts.

Lanthanum is a silvery-white, malleable transition metal; it is the prototype of the lanthanide series.