What does ATP consist of?

ATP is adenosine triphosphate; it consists of carbon, hydrogen, oxygen, phosphorus, and nitrogen. It's formula is: C10H16N5O13P3

There are 3 phosphate groups in it (one phosphorus atom with 4 oxygens), connected to an adenosine group, C10H13N5O4, (itself made up of an adenine nucleobase (C5H5N5) made up of 5 nitrogens, 5 hydrogens, and 5 carbons, connected to a ribose sugar molecule, C5H10O5)