Q. 4. Consider the relation between the items in the Birst pair and write the correlation for second
pair:
(1) K:2::M
(2) Carbon : 2,3 :: Fluorine:
(3) Nitrogen : Valency three :: Fluorine
(4) Atomic radius:pm :: Atomle mass:
(5) Nal: Valency of Na: 1 :: MgCl, Valency of Mg
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Answer:
the answer is 5
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