(element's name) is a very reactive element. With the exception of (element's name), all elements in this column have this property, because other elements can easily pull away their single, outermost electron. When this happens, they are attracted to those elements. Ill give brainlist for right answer

Hydrogen

oxagen

Explanation:

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.