Chemistry, asked by vikas55540, 4 months ago

what is the valency of magnesium with atomic number 12 and sulphur with atomic number 16?

Answers

Answered by ekampreetk1709

1

Explanation:

Magnesium, atomic number 12

Electronic configuration =2,8,2

∴Valency=2

Nitrogen, atomic number =7

electronic configuration =2,5

∴Valency=3

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