Term
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Definition
| The release of high-energy particles and rays of energy from a substance as a result of changes in the nuclei of its atoms. |
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Term
| natural background radiation |
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Definition
| The stream of high-energy, fast-moving particles or waves that is found in our environment. |
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Definition
| High-energy rays and particles emitted by radioactive sources. |
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Term
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Definition
| One form of radiation that is visible to humans. |
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Term
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Definition
| Different atoms of a particular element that have the same number of protons but different numbers of neutrons. |
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Term
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Definition
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Term
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Definition
| The process in which unstable nuclei lose energy by emitting radiation. |
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Definition
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Term
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Definition
[image] or [image]
an electron |
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Term
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Definition
[image]
rays of high-energy |
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Term
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Definition
| The emission of an alpha particle from a nucleus. |
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Term
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Definition
| A neutron changes into a proton and an electron. The proton remains in the nucleus, the electron shoots out from the nucleus. |
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Term
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Definition
| A redistribution of energy within the nucleus. A high-energy gamma ray is given off as the isotope falls from a high-energy state to a lower energy state. |
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