1. For a-c below, answer true or false. If your answer is false, explain why the answer is false. a. The most abundant elements inside cells are carbon, hydrogen, oxygen, and phosphorus. b. An ionic bond between atoms occurs when one atom gives a proton to another. c. A covalent bond between atoms occurs when they share electrons. Solution 1. true. most abundant elements are c, h, o ,n. 2. false. i guess ionic bond is formed when electrons are transfered from one atom to another. 3. true..