The option that contains an example of a polyatomic ion is KNO3 (potassium nitrate). This compound includes the nitrate ion (NO3^-), which is a polyatomic ion. The other options either represent binary compounds or diatomic molecules, which do not contain polyatomic ions.
Bonding of Atoms in Reactions Quick Check
3 of 53 of 5 Items
Question
Which option contains an example of a polyatomic ion?(1 point)
Responses
MgCl
MgCl
CaCl2
CaCl 2
O2
O 2
KNO3
1 answer
1 answer