Atomic NumberAtomic 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 Symbol | La |
| Element Name | Lanthanum |
| Group | 3 |
| Period | 6 |
| Atomic Weight | 138.90547 u |
| Density | 6.145 g/cm3 |
| Melting Point (K) | 1193 K |
| Boiling Point (K) | 3737 K |
List all properties of Lanthanum