Atomic Number 57

Atomic Number 57 is belong to element of Lanthanum.

Chemical symbol for Lanthanum is La. Number of protons in Lanthanum is 57. Atomic weight of Lanthanum is 138.90547 u or g/mol.

57La

Atomic Number 57 Element Properties

Atomic Number (Z)57
Atomic SymbolLa
Element NameLanthanum
Group3
Period6
Atomic Weight138.90547 u
Density6.145 g/cm3
Melting Point (K)1193 K
Boiling Point (K)3737 K

List all properties of Lanthanum


Please Share Your Comments