Answer
(a) Covalent bonds.
(b) Ionic bonds.
(c) Ionic bonds.
(d) Covalent bonds.
(e) Covalent bonds.
(f) Covalente bonds.
Work Step by Step
If the compound is made of a nonmetal and a metal, it will have ionic bonds.
If the compound is made of 2 nonmetals or 1 nonmetal and 1 metalloid, it will have covalent bonds.
a. C: nonmetal, O: nonmetal; Covalent
b. Ca: Metal, F: nonmetal; Ionic
c. Mg: metal, O: nonmetal: Ionic
d. Cl: nonmetal: Covalent
e. H: nonmetal; F: nonmetal: Covalent
f. C: nonmetal; H: nonmetal: Covalent