Question

What are protons ?
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Answer 1

Answer:

• A proton is a subatomic particle, symbol p or p⁺ , with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron

Answer 2

Explanation:

proton is a subatomic particle with a mass defined as 1 and a charge of +1 (positive charge). A proton is indicated by either the symbol p or p+. The nucleus of every atom contains protons. The number of protons of an atom of an element is its atomic number.

Because both protons and neutrons are found in the atomic nucleus, they are collectively known as nucleons. While the positive electrical charge of protons causes them to repel each other, when protons and neutrons get close enough to each other, the strong nuclear force overcomes electrostatic repulsion. This allows them to bind together. Protons, like neutrons, are hadrons. A proton consists of still smaller subatomic particles called quarks. Each protons is composed of three quarks (2 up quarks and 1 down quark).

Word Origin

The term “proton” is a Greek word that means “first.” Ernest Rutherford first used the term in 1920 to describe the nucleus of hydrogen. Although protons weren’t named until the 20th century, the existence of the proton was theorized in 1815 by William Prout.