Chemistry, asked by aarchanasoni1112, 4 months ago

TO
3. Calcium (Ca) combines with oxygen (O2)
form calcium oxide (Cao).​

Answers

Answered by kakrusanvi11
0

Answer:

So here we have valency 2 for calcium and oxygen have valency as 2

Explanation:

Si 2 cuts 2 and we form cao

As oxide has negative two it comes after Ca

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