Math, asked by madpagal8221, 1 year ago

Writing a chemical formula by valency criss cross method class 9

Answers

Answered by BigSmoke

4

Cacl2

Ca has 2+ valency
Cl has - 1 valency

Beso4

Be has 2+ valency
So4 has 2- valency

As valency cancels each other so have formula beso4

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