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7 October, 04:41

How do you find the atomic number of a atom?

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  1. 7 October, 04:56
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    The number of protons in the nucleus determines the atomic number.
  2. 7 October, 05:01
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    Answer: To find the atomic mass of an atom of an element, add up the mass of protons and neutrons.

    Explanation: Find the atomic mass of an isotope of carbon that has 7 neutrons. You can see from the periodic table that carbon has an atomic number of 6, which is its number of protons.
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