which statement comparing ionic and covalent bonds is correct?

a ) the difference between electronegativities is greater for atoms in covalent bonds than for atoms in ionic bons.
b ) more electrons are transferred to form covalent bonds that ionic bonds.
c ) covalent bonds tend to be less polar than ionic bonds
d ) elements in group IA are more likely to form covalent bonds than ionic bonds with other atoms.

c) Covalent bonds tend to be less polar than ionic bonds.