Protons and neutrons are also called _____.
Nucleons:
Therefore, protons and neutrons are also called nucleons.
Protons and neutrons are together called as__.
Structures of nuclei of three atoms A, B and C are given below: A has 90 protons and 146 neutrons. B has 92 protons and 146 neutrons. C has 90 protons and 148 neutrons. Based on the above data, A and C are isotopes; B and C are ___.