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Trevon Byrd
27 February, 13:28
Find the formula for calcium and oxygen
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Annabella Ramos
27 February, 14:35
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The charge on Calcium is + 2. Since, Calcium oxide is a neutral compound, so the charge on Oxygen should be - 2. Valency of Oxygen is 2, so a single Oxygen atom can satisfy the need.
Therefore, formula is CaO.
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