Nuclei of isotopes differ in

Question

Nuclei of isotopes differ in (A) number of protons (B) number of neutrons (C) number of both protons and neutrons (D) number of electrons.

Tardigrade Admin · Accepted Answer

Isotopes are atoms of same element having same atomic number (i.e. no. of protons or electrons) but different mass numbers (i.e. having different no. of neutrons).

Q. Nuclei of isotopes differ in

number of protons

number of neutrons

number of both protons and neutrons

number of electrons.

Isotopes are atoms of same element having same atomic number ( $i . e .$ no. of protons or electrons) but different mass numbers ( $i . e .$ having different no. of neutrons).