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Atom Building blocks of matter.
Valence Electrons in the outermost shell
Proton + Positive charge; found in nucleus
Atomic Mass # of protons & electrons
Atomic Number # of protons or electrons
Nucleus Center of atom with protons & neutrons
Bohr Diagram (()) Shows all electrons
Energy Level Levels that electrons are on
Lewis Structure Shows valence electrons
Isotope C-12 C-13 C-14
Leptons Make up electrons
Electrons - negative charge
Created by: 2019DSimmie