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.
Confidence votes 90. There are three basic parts to an atom. These are: the electron, the proton, and the neutron. The proton is a positively charged particle, with a relative mass of one, that is located in the nucleus of the atom, along with the neutron, which has a relative mass of one, but a neutral charge.