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How many neutrons are in an atom of Mg-25
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How many neutrons are in an atom of Mg-25

How many neutrons are in an atom of Mg-25-example-1
User Nix
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Atomic number of Mg is 12. Atomic number means 12 protons. Mass of Mg is 25 amu. So the difference of 25-12 =13. Thus, there are 13 neutron in Mg atom.
User TheRealWorld
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