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Which of the following is not a polyatomic ion? A. NO3 − B. CaCO3 C. C2H3O2− D. C6H5COO−

Which of the following is not a polyatomic ion? A. NO3 − B. CaCO3 C. C2H3O2− D. C6H5COO−
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Which of the following is not a polyatomic ion? A. NO3 − B. CaCO3 C. C2H3O2− D. C6H5COO−

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User Brianxautumn
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2 Answers

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B. CaCO3 is the answer
answered
User Yevgeny Simkin
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8.1k points
0 votes
B. Polyatomic ions always have a charge. B doesn't have a charge thus it isn't a polyatomic ion
answered
User Jacek Sztandera
by
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