Question : Which chemical element of Group 18 of the periodic table is produced by the natural radioactive decay of Uranium in soils and rocks?
Option 1: Oganesson
Option 2: Krypton
Option 3: Radon
Option 4: Neon
Correct Answer: Radon
Solution : The correct answer is Radon.
The chemical element produced by the natural radioactive decay of uranium in soils and rocks within Group 18 of the periodic table is Radon ( Rn ). Radon is a colourless, odourless and tasteless noble gas. It is a radioactive element that can be a health concern when it accumulates in enclosed spaces.
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