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.
Atoms do have parts, though, and the parts act to produce the element's properties. Atoms can also combine in ways that produce whole new properties: atoms in these relationships are called molecules, which are the smallest bits of compounds. Water is a compound with two hydrogen atoms and one oxygen atom in each molecule. Pictures of gold atoms in a surface. A water molecule, showing how the atoms line up.. In the middle of each atom is a nucleus (which, unfortunately, has the same name as the much-bigger middle of one type of cell-don't get them confused!), a tiny dense body of two different types of atomic particles.