A nuclide has mass number 32 and atomic number 16. How many neutrons are in its nucleus? Enter the number.
Ճիշտ պատասխան
16
Բացատրություն
Subtracting the proton count represented by atomic number 16 from mass number 32 leaves 16 neutrons. Adding the values double-counts, while reversing the subtraction produces a negative result that cannot be a particle count.