Question

in what respect do the properties of group 1 elements differ from those of group 17 elements explain with example by taking one element from each group​

Answer 1

Answer:

Group 1 Elements are metals

17 elements are non metals

Gp 1 metals have valency +1

17 elements have valency -1

Gp 1 elements are alkaline

17 elements are acidic

Eg. Potassium (1A)

Metal, Alkaline, +1 Valency

Chlorine (17)

Non Metal, Halogen, Acidic, -1 Valency

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