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How many electrons, protons, and neutron...

How many electrons, protons, and neutrons are there in an atom of atomic number 11 and mass number 24?

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The number of electrons in nucleus =0, electrons do not exist in the nucleus
Here Z=11 , A=24
Number of protons in nucleus (Z) =11
Number of neutrons in nucleus (N)=A-Z=24-11=13
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