Question

Which of these ionic compounds have polyatomic ions?CaCO3, NaF,FeO,CaCl, NaOH

Answer 1

CaCO3 and NaOH, which are letter answers A and E. Polyatomic ions bond with other ions to form ionic compounds, hope this helps :)

Answer 2

CaCO3 and NaOH

Step-by-step explanation:

Two or more groups of atoms that are electrically charged are called polyatomic ions, and their names end with -ide. Polyatomic anions are ions that have oxygen are called oxyanions and their names end with -ate or -ite.