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15 Cards in this Set
- Front
- Back
Nucleon Number |
The total number of protons and neutrons in a nucleus. |
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Isotope |
Nuclei of the same element that have the same atomic number but different nucleon numbers. |
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Atomic Mass Units (AMU) |
One twelfth the mass of a Carbon-12 atom. |
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Strong Nuclear Force |
One of the four fundamental forces of nature, acting on hadrons and holding nuclei together. |
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Antiparticle |
The antimatter counterpart of a particle, with the opposite charge and exactly the same rest mass. |
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Weak Nuclear Force |
One of the four fundamental forces in nature, responsible for inducing Beta decay in an unstable nucleus. |
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Hadron |
A particle or particle that is affected by the strong nuclear force and if charged by the electromagnetic force |
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Lepton |
A fundamental particle or antiparticle that is not affected by the strong nuclear force. |
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Quarks |
An elementary particle that can exist in six forms (plus antiparticles) and join with other quarks to form a hadron. |
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Standard Model |
The current theory of particle physics that deals with elementary particles and their interactions, |
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Beta Minus Decay |
A neutron in an unstable nucleus decays into: a proton, an electron and an electron anti-neutrino. |
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Beta Plus Decay |
A proton in an unstable nucleus decays into: a neutron, a positron an electron neutrino. |
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Baryon |
Any hadron made with a combination of three quarks. |
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Meson |
Any hadron comprising of a combination of a quark and anti-quark. |
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Neutrino |
A lepton that carries no charge and may have a negligible mass. |