School isn't for asking questions, it is for receiving judgement. If you got lucky and acquired a foundation in your childhood, you're judged to be clever. If your luck is bad, tough luck.
Adenosine triphosphate has 3 phosphates. Adenosine duophosphate and monophosphate have 2 and 1 phosphates respectively. The more phosphates - the more energy.
How can a connection between adenosine and phosphates be used as energy is kinda hard to explain.
You know how when you put metals in water, water uses its super small molecules to steal atoms from it. All electrons stay in the metal, and water with stolen positively ions of metal becomes positively charged. And a metal becomes negatively charged. And the metal attracts its atoms back, and water steals them again. And since all metals dissolve in water at a different speed, when you connect 2 wet metals together, they project different electrical pressure, voltage. And electrons move from one metal to another.
...I have no clue what I am talking about...
When you put two molecules together, if some of their components are more comfortable with a component of another molecule, it will jump. And a reaction will happen. ATP can trigger reactions, and thus is energy.
