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.
, Professor. Nucleus is the central part of an atom and atom contains protons, neutrons, and electrons. The protons are located in the nucleus of the atom and have an atomic mass of about 1 amu (atomic mass unit). They are positively charged.Neutrons are the other atomic particle that are found in the nucleus of the atom.