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 approximately 1836 times the mass of an electron (the proton-to-electron mass ratio).

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 definition of a proton, its electric charge, where it’s found in the atom, and a collection of proton facts. Proton Definition

Mar 1, 2025 · proton, one of the three basic subatomic particles—along with neutrons and electrons—that make up atoms, the basic building blocks of all matter and chemistry. It is the positively charged particle that, together with the electrically neutral particles called neutrons, make up the nucleus of an atom .

Feb 2, 2023 · What is a Proton. 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 nucleus of a hydrogen atom or H + ion is an example of a proton. The word ‘proton’ came from the Greek word meaning ‘first’.

Jan 7, 2018 · A proton is a component of an atomic nucleus with a mass defined as 1 and a charge of +1. A proton is indicated by either the symbol p or p + . The atomic number of an element is the number of protons an atom of that element contains.

Proton. Along with neutrons, protons make up the nucleus, held together by the strong force. The proton is a baryon and is considered to be composed of two up quarks and one down quark.

A proton is one of three main particles that make up the atom. Protons are found in the nucleus of the atom. This is a tiny, dense region at the center of the atom.

Jan 16, 2018 · A proton is a positively charged particle that resides within the atomic nucleus. The number of protons in the atomic nucleus is what determines the atomic number of an element, as outlined in the periodic table of the elements.

Apr 24, 2017 · Protons are located in an atom's nucleus, which is a compact core in the center of the atom. Most nuclei also contain neutrons. Perhaps the most essential characteristic of a proton is its positive electrical charge.

proton, elementary particle having a single positive electrical charge and constituting the nucleus of the ordinary hydrogen atom. The positive charge of the nucleus of any atom is due to its protons.