Neutrons in an element are calculated by subtracting the atomic number from the mass number, aiding in isotope stability evaluation.
Neutrons are determined by subtracting the atomic number of an element from its mass number.
For example, if an element has an atomic number of 8 and a mass number of 16, the number of neutrons would be 16 (mass number) - 8 (atomic number) = 8 neutrons.
This method helps in understanding the composition and stability of isotopes of elements.
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