Sleep Number King Size 2-3 inch Mattress Bed Foam Topper Pad 7000, i8, i9.
Quick Answer. The three parts of an atom are the protons, neutrons and electrons. Atoms make up the basic building blocks of matter and define the structure of elements. These parts were not officially identified until 1932.
An atom is made of protons, neutrons and electrons. The neutrons and protons are bundled up in the nucleus or center of the atom. The electrons on the other hand fly around the nucleus in a big cloud. It might help to think of electrons as social little creatures.