Atomic NumberAtomic Number 81
Atomic Number 81 is belong to element of Thallium.
Chemical symbol for Thallium is Tl. Number of protons in Thallium is 81. Atomic weight of Thallium is 204.38 u or g/mol.
81Tl
Atomic Number 81 Element Properties
| Atomic Number (Z) | 81 |
|---|---|
| Atomic Symbol | Tl |
| Element Name | Thallium |
| Group | 13 |
| Period | 6 |
| Atomic Weight | 204.38 u |
| Density | 11.85 g/cm3 |
| Melting Point (K) | 577 K |
| Boiling Point (K) | 1746 K |
List all properties of Thallium