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12 Cards in this Set
- Front
- Back
Nuclear Radiation |
High energy particles and rays that are emitted by the nuclei of some atoms |
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Radioactivity |
The ability of some elements to give off nuclear radiation |
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Radioactive Decay |
the process in which the nucleus of a radioactive atom released nuclear radiation |
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Alpha Decay |
The release of an alpha particle from a nucleus |
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Mass Number |
The sum of the protons neutrons in an atom |
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Beta Decay |
The release of a beta particle from a nucleus |
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Isotopes |
Atoms that have the same number of protons but have current numbers rs of neutrons |
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Gamma Decay |
The release of gamma rays from a nucleus |
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Half-Life |
The amount of time it takes for one-half of the nuclei of a radioactive isotope to decay |
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Nuclear Fission |
The process in which large nucleus splits into two smaller nuclei |
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Nuclear Chain Reaction |
A continue series of nuclear fission reaction |
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Nuclear Fusion |
The process in which two or more nuclei with small masses join together, or fuse to form a larger, more massive nucleus |