THALLIUM
- March 25, 2021
- Posted by: OptimizeIAS Team
- Category: DPN Topics
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THALLIUM
Subject : Science & tech
Context : Delhi Man Fed Thallium In Fish Curry To In-Laws. 2 Dead, Wife In Hospital.
Concept :
- Thallium (Tl) with an atomic number of 81 is found in the periodic table with the symbol.
- Thallium is not freely found in nature. It is a soft grey post-transition metal. It resembles tin when isolated but when exposed to air it may discolour.
- There are around eighty-one electrons present in the atom of thallium.
- This element can be generated artificially. It can be obtained by smelting of lead and zinc. It is generally obtained as a by-product in the production of sulphuric acid.
Uses of Thallium
- In ancient times it was used as a rat poison and as an ant killer.
- Thallium compounds are used in the manufacture of glasses.
- It is used in photocells.
- It is used in the production of infrared optics.