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Lyrx [107]
3 years ago
5

Find the formula for calcium and oxygen

Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
8 0
The charge on Calcium is +2. Since, Calcium oxide is a neutral compound, so the charge on Oxygen should be -2. <span>Valency of Oxygen is 2, so a single Oxygen atom can satisfy the need.

Therefore,  formula is CaO.</span>
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