Why does No3 repeats in Ca[No3]2,
Explain in order get all sums easily.
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Why does No3 repeats in Ca[No3]2,
Explain in order get all sums easily.
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Explanation:
if you're asking why it's (NO3)2
then
since valency of Calcium is 2
and valency of NO3 is 1
when it's written as a chemical formula, Valencies are exchanged
since NO3 its a whole radical, u have to put it in a bracket and the valency 2 outside so it applies to the entire NO3