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Today, 13:19

What is the Z number of an atom with 9 protons, 8 neutrons, and 7 electrons?

7

8

9

16

17

+3
Answers (1)
  1. Today, 15:55
    0
    9

    Explanation:

    The Z number is the atomic number. The atomic number is number of protons in the atom that defines what element it is. In this case there are 9 protons, making that the atomic number/Z number.
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