Indicate whether each of the following compounds is ionic or covalent.

a) KF

b) CO₂

c) C₆H₁₂O₆

d) Fe(NO₃)₂

e) SnCl₂

Answers

We distinguish ionic compounds from covalent compounds by the elements in the formula. Ionic compounds contain at least one metal and at least one nonmetal. covalent compounds contain only nonmetal elements.

a) KF is ionic.

b) CO₂ is covalent.

c) C₆H₁₂O₆ is covalent.

d) Fe(NO₃)₂ is ionic.

e) SnCl₂ is ionic.