why we write calcium oxide as CaO not as Ca-2O+2?
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Answered by
1
we can't write this . when we exchange their valencies then the compound form is cao
Answered by
2
As the calcium atomic no.:-20
:-2 valence electrons
As the oxygen atomic no.:-8
:-6valence electrons
Where calcium and oxygen combine in criss cross method,
They form 8 electrons and becomes stable.
So it exist as CAO..
Hope this helps you...
:-2 valence electrons
As the oxygen atomic no.:-8
:-6valence electrons
Where calcium and oxygen combine in criss cross method,
They form 8 electrons and becomes stable.
So it exist as CAO..
Hope this helps you...
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