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28 November, 04:48

1. A certain atom has 20 electrons, 21 neutrons, and 20 protons. What is

the atomic mass of the atom?

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Answers (1)
  1. 28 November, 06:13
    0
    41

    Explanation:

    An atom that contains 20 protons, 21 neutrons, and 20 electrons has an atomic mass of 41.
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