The correct option that contains an example of a polyatomic ion is KNO3 (potassium nitrate). In this compound, the nitrate ion (NO3-) is a polyatomic ion.
The other options consist of simple ions or molecules without a polyatomic ion.
Which option contains an example of a polyatomic ion?(1 point)
Responses
KNO3
KNO 3
CaCl2
CaCl 2
O2
O 2
MgCl
1 answer