Atomic NumberAtomic Number 89
Atomic Number 89 is belong to element of Actinium.
Chemical symbol for Actinium is Ac. Number of protons in Actinium is 89. Atomic weight of Actinium is 227 u or g/mol.
89Ac
Atomic Number 89 Element Properties
| Atomic Number (Z) | 89 |
|---|---|
| Atomic Symbol | Ac |
| Element Name | Actinium |
| Group | 3 |
| Period | 7 |
| Atomic Weight | 227 u |
| Density | 10.07 g/cm3 |
| Melting Point (K) | 1323 K |
| Boiling Point (K) | 3471 K |
List all properties of Actinium