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10 July, 14:42

What is the atomic number of an Neon atom with 10 protons and 11 neutrons in its nucleus, & 10 Electrons in orbitals around the nucleus?

-8

-None of these

-21

-10

+3
Answers (2)
  1. 10 July, 16:17
    0
    10

    Explanation:

    The atomic number is only based on the number of the elements protons. The neutrons and electrons will only change the atomic mass and properties of the element. So the atomic number is 10.
  2. 10 July, 17:00
    0
    21 the atomic number is both the protons and neutrons added together.
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