Question

Define valence of an element. Find the valency of chlorine and magnesium (At. No. of chlorine = 17, magnesium = 12).

Answer 1

Answer:

the no. of electron present in the outer most shell is known as valance electron and the valency are 1 and 2 respectively

Answer 2

chlorine valence is 1

magnesium valence is 2

Explanation:

vamence of an element was defined as the combining power of an element with respect to hydrogen,oxygen or indirectly any other element

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