Download 2. Which part of the atom is the nucleus?

Atomic Structure Name: _________________________________ 1. Label each atomic particle and the charge associated. 2. Which part of the atom is the nucleus? ________________________________________________________________________________
________________________________________________________________________________ 3. Where is most of the mass in an atom located? ________________________________________________________________________________
________________________________________________________________________________ 4. Why are the number of protons and electrons always the same while the number of neutrons varies? ________________________________________________________________________________
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