1.

Consider the relation between I the items in the first pair and write the correlation for second pair:(i) K : 2 : M : …………. .(ii) Carbon : 2, 4 : Fluorine : …………….. .(iii) Nitrogen : Valency three : Fluorine : …………….. .(iv) Atomic radius : pm : Atomic mass : ……………. .

Answer»

(i) 18

(ii) 2, 7

(iii) valency one

(iv) u



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