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21-10-2016
Chemistry

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Which is not a correct ionic formula unit? Select one. A. BaO B. Ca3N2 C. KCl d. LiS2

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scme1702 scme1702

31-10-2016

D. LiS₂
This is because Lithium exhibits a valency of +1 and cannot have two sulfur atoms combine with it because that will mean each sulfur has a valency of -0.5

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