SophiaEspinel
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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8828
8828 8828
  • 23-03-2017
B. CaCO3 is the answer
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