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8 March, 21:41

How many neutrons does Aluminum - 28 have?

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Answers (2)
  1. 8 March, 22:48
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    Answer: 14 neutrons
  2. 8 March, 23:30
    0
    the 28 represents the mass number of Aluminum. And Naturally, aluminum has 13 protons (Atomic number)

    so to find the number of Neutrons in aluminum, use this relation

    Neutron number = mass number - proton or atomic number

    substitute the values into it

    neutron number = 28-13

    neutron number = 15

    therefore, there are 15 neutrons in the aluminum atom.
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