Atomic number 81Tl
Thallium
থ্যালিয়াম
- Post-transition metal
- Group 13
- Period 6
- Atomic mass 204.380 u
- Solid
- Electrons per shell
- 2, 8, 18, 32, 18, 3
- Electron configuration
- [Xe] 4f14 5d10 6s2 6p1
- Nucleus
- 81 protons, 124 neutrons
- Valence electrons
- 3
Speed1×
- Group
- 13
- Period
- 6
- Block
- p-block
- Category
- Post-transition metal
- State at 25 °C
- Solid