Charged particle
Physical particle with an electric charge From Wikipedia, the free encyclopedia
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.
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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
Positively charged particles
- protons
- positrons (antielectrons)
- positively charged pions
- alpha particles
- cations
Negatively charged particles
- electrons
- antiprotons
- muons
- tauons
- negative charged pions
- anions
Particles with zero charge
See also
- Charge carrier – refers to moving charged particles that create an electric current
References
External links
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