What Is the Difference Between an Ionic and Covalent Bond

Multiple Choice

What is the difference between an ionic and covalent bond?

A) In an ionic bond, one atom accepts electrons from the other; in a covalent bond, a pair of atoms share electrons.
B) In an ionic bond, one atom has more electronegativity than the other; in a covalent bond, the atoms have the same electronegativity.
C) Ionic bonding involves the inner electron shells; covalent bonding involves the valence electron shell.
D) Ionic bonds form between atoms of different elements; covalent bonds form between atoms of the same element.