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.
Protons These parts of an atom have a positive charge. They are in the middle of the atom, called the nucleus and they do not move. Neutrons These parts of an atom have no charge.They are neutral and part of the nucleus of an atom with the protons. Electrons These parts of the atom are very small and weigh a lot less then the protons and neurtons.Electrons are not part of the nucleus of the atom, instead they move around in orbits outside the nucleus.rotons These parts of an atom have a positive charge. They are in the middle of the atom, called the nucleus and they do not move. Neutrons These parts of an atom have no charge.