Which is compound formed from a metal cation and nonmetal anion? Carbon dioxide Carbon monoxide Potassium chloride

Question

Which is compound formed from a metal cation and nonmetal anion?

Carbon dioxide
Carbon monoxide
Potassium chloride
Diphosphours pentoxide

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Helga 2 months 2021-08-05T16:20:34+00:00 1 Answers 3 views 0

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    2021-08-05T16:21:57+00:00

    Potassium chloride
    Potassium is the metal cation and chloride is the nonmetal anion
    All the other options have two non metals

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )