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28 July, 21:13

An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does an uncharged zinc atom have? Choose one: 30 35 65 95

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Answers (2)
  1. 28 July, 21:34
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    Atomic number is the number of protons so the answer is 30.
  2. 28 July, 21:34
    0
    I think it has 30 since an atom has no charge
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