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27 June, 20:26

What has56 protons and 54 electrons and 74 neutrons

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Answers (2)
  1. 27 June, 22:25
    0
    This is isotope of barium

    Explanation:

    It has atomic number of 56, mass number is 130 (56 + protons + 76 neutrons) oxidation number is + 2 it has two more protons than electrons (56 - 54 = 2)
  2. 27 June, 23:15
    0
    The answer is

    Barium it's atomic number is 56 and the atomic symbol is Ba
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