Chemistry, asked by dewrajdevraj1091, 9 months ago

What is the formula of the compound formed between flourine and sulphur copper
oxygen hydrogen aluminium

Answers

Answered by Anonymous
21

Explanation:

The number of electrons present in the valence shell of an atom is called its valency up to the elements of group IVA and from IVA to till VIIA valency can be calculated by subtraction number of valence electrons from 8.

1. So valency of Mg is 2 because its group is 2 and contains two valence electrons.

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