use the cross over method to find the chemical formula of a) calicum oxide b) potassium oxide
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Formula and structure: Calcium oxide chemical formula is CaO and its molar mass in 56.0774 g mol-1. The molecule is formed by the calcium cation Ca+2 and the oxygen anion O-2, which form a ionic bond.
potassium-K2O is the formula
Explanation:
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