Nucleus - Made up of protons and neutrons, Mass Number - Protons + Neutrons, Electrons - =Protons, Protons - =Atomic Number, Neutrons - Mass Number- Atomic Number, Period Number - # of energy levels (rings), Group Number - # of valence electrons,

Calculating Parts of an Atom

排行榜

視覺風格

選項

切換範本

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