protons JUST WRITTEN FOR YOU
/ˈproʊtɒnz/ · pro·tons
noun
- Positively charged subatomic particles that reside in the nucleus of an atom and determine its atomic number. The element carbon has six protons in each of its atoms.
Did you know? The name 'proton' was chosen because it was the first subatomic particle discovered, reflecting its Greek root meaning 'first'.