How we can find the valency of ammonium and sodium chloride

CBSE Class 9
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How we can find the valency of ammonium and sodium chloride

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  1. Valency of aluminium chloride:
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    Therefore the valency of aluminium chloride will be AlCl3
    2.Valency of sodium chloride:
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    Therefore the valency of sodium chloride will be Na2Cl2 = NaCl