Atom Whose Neutron Count Varies From the Standard

This page is the CodyCross answer for the clue below from Cats, Group 1729, Puzzle 5 (Serval and Margay).

Question is: Atom Whose Neutron Count Varies From the Standard

and the answer is: ISOTOPE

Word Meaning:

ISOTOPE — (nuclear physics) Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. Thus, isotopes have the same atomic number but a different mass number.

Definitions from Wiktionary.

Atom Whose Neutron Count Varies From The Standard - Cats CodyCross Answers | CodyCross Solutions