- Definition of Tl (Thallium)
Thallium, symbolized as Tl in the periodic table, is a chemical element in group 13. The atomic mass of thallium is 204.4 amu. Thallium has a similar atomic structure to other elements in the same group, consisting of a nucleus containing protons and neutrons, surrounded by electron shells. Thallium can form ions by gaining or losing electrons.
- Properties of Tl
2.1 Physical properties of Tl: Thallium is solid at room temperature, has a blue-gray color and is odorless. Thallium has a neutral PH level.
2.2 Chemical properties of Tl: Thallium can react with various other substances such as oxygen, acid, metals, and nonmetals.
- Common chemical equations
The reaction of thallium with other substances results in complex chemical reactions. Specifically, thallium can react with oxygen to form thallium oxide, with acid to form thallium salt, with metals to form alloys, and with nonmetals to form other compounds.
- Preparation of Tl
4.1 Laboratory preparation: Thallium can be prepared from its compounds such as thallium(I) sulfate or thallium(I) iodide through the process of thermal decomposition.
4.2 Industrial preparation: In industry, thallium is commonly produced from flue dust, a byproduct of coal furnaces and gas burners.
Note: Thallium and its compounds are toxic and should be handled with care.