SophiaEspinel SophiaEspinel

23-03-2017
Biology

contestada

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

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Аноним Аноним

23-03-2017

B. Polyatomic ions always have a charge. B doesn't have a charge thus it isn't a polyatomic ion

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23-03-2017

B. CaCO3 is the answer

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