Charged particle
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In physics, a charged particle is a particle with an electric charge. For example, some elementary particles, like the electron or quarks are charged.[1] Some composite particles like protons are charged particles. An ion, such as a molecule or atom with a surplus or deficit of electrons relative to protons are also charged particles.
A plasma is a collection of charged particles, atomic nuclei and separated electrons, but can also be a gas containing a significant proportion of charged particles.
Charged particles are labeled as either positive (+) or negative (-). The designations are arbitrary. Nothing is inherent to a positively charged particle that makes it "positive", and the same goes for negatively charged particles.
Examples
[edit]Positively charged particles
[edit]- protons
- positrons (antielectrons)
- alpha particles
- positive charged ions
- cations
Negatively charged particles
[edit]- electrons
- antiprotons
- muons
- tauons
- negative charged pions
- anions
Particles with zero charge
[edit]See also
[edit]- Charge carrier – refers to moving charged particles that create an electric current
References
[edit]- ^ Frisch, David H.; Thorndike, Alan M. (1964). Elementary Particles. Princeton, New Jersey: David Van Nostrand. p. 54.
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