brodyhodges03 brodyhodges03

27-02-2017
Chemistry

contestada

Which is a polyatomic ion?
A. O2–
B. Mg2+
C. NH4+
D. Na+

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tianaholing tianaholing

27-02-2017

The answer would be ammonium: NH4+ (C.)

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Аноним Аноним

27-02-2017

C is the answer NH4+

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