Nucleus - The inner circle in an atom that has the protons and neutrons., Protons - have a positive charge, Electrons - have a negative charge, Neutrons - have a neutral charge, Valance Electrons - Electrons on the outer ring/energy level, How you get the number of electrons - Subtract the bottom number (atomic mass) from the top number (atomic number)., Top number- atomic number - This is the number of protons and neutrons added together, Bottom number-atomic mass - This is the number of protons, neutrons, and electrons added together.,

Atomic Structure Quiz

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