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Name Three Non-metals/Radicals Which Have Valency -1, -2, and -3.

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Question

Name three non-metals/radicals which have valency -1, -2, and -3.

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Solution

-1 = Chlorine, Bromine, Iodine.
-2 = Oxide, Sulphide, Sulphate.
-3 = Nitrogen, Nitride Phosphate.

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Chapter 4: Atoms, Molecules and Radicals - Additional questions

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Selina Concise Chemistry [English] Class 7 ICSE
Chapter 4 Atoms, Molecules and Radicals
Additional questions | Q 11.2

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