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26-02-2020
Chemistry

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!30 Points!
Using your periodic table, how many protons does an atom of Zinc (Zn) have in its nucleus? Explain your reasoning. How many electrons would it have? Explain your reasoning. If zinc has 35 neutrons in its nucleus, what is its mass number? (Mass # = # protons + # neutrons). Please show your work.

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26-02-2020

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