There are a lot of structures and designs that go into atoms. The element copper has many features. Copper has the atomic symbol Cu, the atomic mass 63.55, and the atomic number 29. Copper has 29 electrons and protons, and has 34 neutrons. The main components that make up the atom are the protons, electrons, and neutrons. Protons and neutrons are in the middle of the atom and electrons revolve around the nucleus. There are two naturally occurring isotopes. One of the two has a mass number of 63 with a natural abundance of 69.15% and a stable half-life. The second has a mass number of 65 with a natural abundance of 30.85% and a stable half-life. The electron configuration is a distribution of electrons of an atom or molecule. The configuration