Atomic NumberAtomic Number 68
Atomic Number 68 is belong to element of Erbium.
Chemical symbol for Erbium is Er. Number of protons in Erbium is 68. Atomic weight of Erbium is 167.259 u or g/mol.
68Er
Atomic Number 68 Element Properties
| Atomic Number (Z) | 68 |
|---|---|
| Atomic Symbol | Er |
| Element Name | Erbium |
| Group | |
| Period | 6 |
| Atomic Weight | 167.259 u |
| Density | 9.066 g/cm3 |
| Melting Point (K) | 1802 K |
| Boiling Point (K) | 3141 K |