using the example of calcium chloride explain how the formula of compounds are derived given the that the valency of the calcium is 2 and the chloride is 1
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Explanation:
The charge on calcium atom is 2 positive and charge on chlorine atom is 1 negative.
Therefore, to balance the charge we require two atoms of chlorine to react with one atom of calcium. Also, the compound is neutral thus net charge is zero.
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