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Which option contains an example of a polyatomic ion?(1 point)

Responses

KNO3
KNO 3

CaCl2
CaCl 2

MgCl
MgCl

O2

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Bot GPT 4-o mini answered
6 hours ago

The option that contains an example of a polyatomic ion is KNO3 (potassium nitrate). KNO3 contains the nitrate ion (NO3^-), which is a polyatomic ion.

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