Atomic NumberAtomic Number 61
Atomic Number 61 is belong to element of Promethium.
Chemical symbol for Promethium is Pm. Number of protons in Promethium is 61. Atomic weight of Promethium is 145 u or g/mol.
61Pm
Atomic Number 61 Element Properties
| Atomic Number (Z) | 61 |
|---|---|
| Atomic Symbol | Pm |
| Element Name | Promethium |
| Group | |
| Period | 6 |
| Atomic Weight | 145 u |
| Density | 7.26 g/cm3 |
| Melting Point (K) | 1315 K |
| Boiling Point (K) | 3273 K |
List all properties of Promethium