A proton is a stable subatomic particle, symbol p, H +, or 1 H + with a positive electric charge of +1 e (elementary charge). Its mass is slightly less than the mass of a neutron and …

: an atomic particle that occurs in the nucleus of every atom and carries a positive charge equal in size to the negative charge of an electron.

Dec 8, 2018 · A proton is a subatomic particle with a positive charge. It resides in the atomic nucleus. Atoms consist of smaller particles called protons, neutrons, and electrons. Here is the …

Dec 7, 2025 · It is the positively charged particle that, together with the electrically neutral particles called neutrons, make up the nucleus of an atom. (The nucleus of the ordinary …

PROTON definition: a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude …

Sep 2, 2024 · What is the definition of proton? A proton is a fundamental subatomic particle with a positive electric charge equal in magnitude and opposite to the negative charge of an electron.

Electrons, protons and neutrons, for instance, are the subatomic particles that make up an atom. The matter that makes up the universe consists of particles such as electrons and protons, as …

pro•ton (ˈproʊ tɒn) n. a positively charged elementary particle found in all atomic nuclei, the lightest and most stable of the baryons, and having a positive charge of 1.602 x 10 19 …

Nov 1, 2025 · What Does The Scientific Term “Proton” Mean? A proton is a subatomic particle characterized by a mass of 1 atomic mass unit and a positive electric charge of +1 (or +1. 60 × …

Feb 2, 2023 · A proton is one of the three main subatomic particles that make up an atom. The other two being neutron and electron. The common symbol for a proton is p or p +. The …