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23 February, 16:02

Which atom has a nucleus that contains 13 protons and 14 neutrons

1. Mg

2. Be

3. Al

4. N

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Answers (2)
  1. 23 February, 16:09
    0
    Aluminum has 13 protons and 14 neutrons
  2. 23 February, 16:11
    0
    Answer: Al

    Explanation:

    Aluminium has an atomic number of 13 and a mass number of 27. Atomic number refers to the number of protons in the nucleus of an atom. The number of protons in the nucleus + the number of neutrons gives the mass number. If the mass number of aluminum is 27, that means that the number of neutrons are 14 because 13+14=27
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