๐Ÿงชap chemistry review

Proton

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

A proton is a subatomic particle found in the nucleus of every atom. It carries a positive electric charge.

"Proton" also found in: