How do an ionic bond and covalent bond differ?

a) there is no difference. both an ionic bond and a covlent bond share electrons.

b) a covalent bond is an attraction between oppositely charges ions. an ionic bond is a sharing of electrons between atoms.

c) there is no difference. both an ionic bond and a covalent bond are attractions between oppositely charged ions.

d) an ionic bond is an attraction between oppositely charged ions. a covalent bond is a sharing of electrons between atoms.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.