Question

Suresh identifies four non-metals with same valency using modern periodic table, which set is the correct one ? *

a) Fluorine , bromine , sulphur, iodine

b) Nitrogen, bromine, iodine, chlorine

c) Nitrogen, phosphorus, sulphur, bromine

d) Fluorine, bromine, chlorine, iodine
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Answer 1

Explanation:

Set (c) - Nitrogen, Phosphorus, Sulphur and Bromine is the correct one.

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Answer 2

D) Fluorine,bromine,chlorine and iodine..

All their valency is 1

Chlorine, bromine, iodine and Fluorine are halogens and very much used in higher classes..