Definition, Meaning & Synonyms

proton

noun
/ˈproʊ.tɒn/
Definition
A proton is a subatomic particle found in the nucleus of an atom, possessing a positive electric charge.
Examples
  • The number of protons in an atom defines what element it is.
  • Protons, along with neutrons, are found in the nucleus at the center of the atom.
  • The hydrogen atom is the simplest, containing only one proton.
Meaning
Protons are fundamental components of atomic structure and contribute to the atomic number of an element, which determines its identity.
Synonyms
  • None