What are the basic properties of Thallium?
Thallium (symbol: Tl) is a post-transition metal with atomic number 81. Its atomic mass is 204.38 u, and it belongs to period 6 and group 13.
Thallium (Tl) Properties and Facts
Element 81 - Post-Transition Metal
What is the electron configuration of Thallium?
The electron configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²
What are the physical properties of Thallium?
Melting point: 577.0 K
Boiling point: 1746.0 K
Density: 11.85 g/cm³
What are the known isotopes of Thallium?
- Tl-203: 29.5% abundance
- Tl-205: 70.5% abundance
What is the biological role and occurrence of Thallium?
Biological role: No known biological role
Natural occurrence: Found in sulfide ores