Subatomic Particle With Positive Charge
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2163, Puzzle 3 (Petroglyphs).
Question is: Subatomic Particle With Positive Charge
and the answer is: PROTON
Word Meaning:
PROTON — (particle physics) A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.
Definitions from Wiktionary.