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12 February, 21:12

If something has an atomic number of 13 and an atomic mass of 26.98 how many protons does It have

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  1. 12 February, 21:18
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    13, the number of protons is the atomic number. If the number of protons ever changes you are at a dif element
  2. 12 February, 21:23
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    13 Protons because the atomic number is the number of electrons and protons.

    The atomic mass is protons plus neutrons because electrons are too small to measure.
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