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CLEP Chemistry Practice Test

Category - Chemistry

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An unknown metal, X, combines with nitrogen to form the compound XN. Metal X also combines with oxygen to produce the compound X₂O₃. Metal X is most likely which of the following elements?

₃Li
₁₂Mg
₃₁Ga
₅₀Sn

Explanation

Answer: C - ₃₁Ga

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CLEP Chemistry Practice Test

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