Uncharged Part of an Atom
This page is the CodyCross answer for the clue below from Chile, Group 2295, Puzzle 3 (Biodiversity).
Question
Uncharged Part of an Atom
Answer
NEUTRON
Word Meaning:
NEUTRON — (particle physics) A subatomic particle forming part of the nucleus of an atom and having no charge; it is a combination of an up quark and two down quarks.
Definitions from Wiktionary.