Positively Charged Particle in an Atom
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1192, Puzzle 2 (The Nineties).
Question is: Positively Charged Particle in an Atom
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.