Acovalent chemical bond is one in which a. electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged. b. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms. c. valence electrons of two atoms are shared so as to fill the outer electron shells of both atoms. d. valence electrons of one atom are transferred to fill the inner electron shell of another atom. e. electrons in the inner shell of two atoms are shared so as to fill the outer electron shells of both atoms.