SEARCH Articles Figures Tables Atom Nucleus and Electron Cloud Atomic Nucleus and Isotopes Atomic nucleus Atoms atomic nucleus) Atoms nucleus Fission and Fusion of Atomic Nuclei Mass, Avogadros Number, and the Atomic Nucleus Nucleus and Electronic Configuration of the Carbon Atom Nucleus and Electronic Configuration of the Nitrogen Atom Optical orientation of atoms and nuclei Physical Properties of Atomic Nuclei and Elementary Particles Shielding of Nuclei in Atoms and Molecules THE ATOMIC NUCLEUS IS MADE OF PROTONS AND NEUTRONS