Chemistry, asked by Cutebacchi123, 4 months ago

Can the valency of an element be variable? If it can, mention two such elements and show how they form compounds. How are these compounds named?​

Answers

Answered by Ashish442245
3

Answer:

yes the valency of an element can be variable.Fe have valency 2 and 3 and Cu have valency 1 and 2. the name of lower valency is done by adding suffix 'ous' and higher valency 'ic'. example ferrous sulphate, ferric oxide etc

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