How is the number of neutrons in the nucleus of an atom calculated (1 point)?

It is found by deducing the difference between the mass number of the atom and the atomic number ( number of protons) in the atom

The answer is letter c

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.