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

User Paniclater
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2 Answers

5 votes
C is the answer NH4+
User Regex Rookie
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6.7k points
1 vote
The answer would be ammonium: NH4+ (C.)
User Mayur Deshmukh
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6.8k points
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