Question

Which of these ionic compounds have polyatomic ions? Check all that apply.

1. CaCO3
2. NaF
3. FeO
4. CaCl2
5. NaOH

Answer 1

CaCO3 and NaOH are correct.

Answer 2

Which of these ionic compounds have polyatomic ions? Check all that apply.

CaCO3NaFFeOCaCl2NaOH
the answer down below : CaCO3 and NaOH