Stable isotopes has a nuclei that does not disintergrate, so there must be a force holding them together. This is the strong nuclear force.
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The range of the strong nuclear force.
3-4 femtometers (fm).
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Radioactive decay.
This happens in three ways, alpha, beta and gamma. It is a naturally occurring process where radioactive isotopes release three types of radiation.
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Alpha radiation.
This consists of two protons and two neutrons. It has a proton number of 2 and a mass of 4.
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Beta radiation.
This consists of fast moving electrons. It charge is equal and opposite of a proton and its mass is much smaller than a protons. An antineutrino is emitted during this process.
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More information about beta radiation.
It occurs when an unstable nucleus emits a beta radiation particle. This happens through a neutron in the nucleus turning into a proton, the beta particle is emitted instantly. Since a neutron changes the atomic number increases by +1.
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Gamma radiation.
Gamma radiation is an electromagnetic radiation emitted by an unstable nucleus. It has no charge and mass.
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Other cards in this set
Card 2
Front
3-4 femtometers (fm).
Back
The range of the strong nuclear force.
Card 3
Front
This happens in three ways, alpha, beta and gamma. It is a naturally occurring process where radioactive isotopes release three types of radiation.
Back
Card 4
Front
This consists of two protons and two neutrons. It has a proton number of 2 and a mass of 4.
Back
Card 5
Front
This consists of fast moving electrons. It charge is equal and opposite of a proton and its mass is much smaller than a protons. An antineutrino is emitted during this process.
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