A is the minimum amount of energy that an atom can lose or gain. this also the same as the distance between the around an atom.

thats a little if u want the answer just look it up on google thats what i do haha : )

answer; 4 electrons;

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.