Answer:
B
Breaking the molecular bonds in the food releases stored chemical energy.
Explanation:
I hope it helps
Most atoms do not. For those atoms that do not have a full valence shell (which usually would contain eight electrons, except for hydrogen and helium, where it would contain two), something has to change. So nature's tendency toward a full valence shell will lead to one of two things: The gain or loss of electrons.
Gain .....
It loses electron when a positive charge is formed..ex Na+