Atomic NumberAtomic Number 69
Atomic Number 69 is belong to element of Thulium.
Chemical symbol for Thulium is Tm. Number of protons in Thulium is 69. Atomic weight of Thulium is 168.93422 u or g/mol.
69Tm
Atomic Number 69 Element Properties
| Atomic Number (Z) | 69 |
|---|---|
| Atomic Symbol | Tm |
| Element Name | Thulium |
| Group | |
| Period | 6 |
| Atomic Weight | 168.93422 u |
| Density | 9.321 g/cm3 |
| Melting Point (K) | 1818 K |
| Boiling Point (K) | 2223 K |
List all properties of Thulium