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| radioactive isotope definitions | |||
|---|---|---|---|
| # | Definition | Sets | |
| 1 | isotope in which the nucleus decays (breaks down) over time, giving off radiation in the form of matter and energy | 13 sets | |
| 2 | an atom that gives off nuclear radiation and has the same number of protons (atomic number) as another atom but a different number of neutrons | 11 sets | |
| 3 | an isotope (an atomic form of a chemical element) that is unstable; the nucleus decays spontaneously, giving off detectable particles and energy. | 7 sets | |
| 4 | an isotope whose nucleus decays spontaneously, giving off particles and energy. | 5 sets | |
| 5 | an atom that gices off nuclear radiation and has the same dumber of portons as another atom but diffrent nutrons, | 5 sets | |
| 6 | an atom that gives off nuclear radiation and has the same number of protons (atomic number) as another atom but a different number of neutrons. | 4 sets | |
| 7 | the necleus decays, giving off particles and energy. can harm living organisms by damaging cellular molecules | 4 sets | |
| 8 | isotope whose nucleus decays spontaneously, giving off particles and energy | 3 sets | |
| 9 | an isotope with an unstable nucleus | 3 sets | |
| 10 | a form of a chemical element that is unstable and decomposes to a different element while giving off energy and radioactive particles. | 3 sets | |
| 11 | the nucleus decays spontaneously, giving off particles and energy | 3 sets | |
| 12 | nucleus decays spontaneously, giving off particles and energy | 3 sets | |
| 13 | an isotope that is unstable; the nucleus decays spontaneously, giving off detectable particles and energy | 2 sets | |
| 14 | nucleus decays spontaneously | 2 sets | |
| 15 | one in which the nucleus decays over time, giving off radiation in the form of matter and energy | 2 sets | |
| 16 | an isotope whose nucleus decays spontaneously, giving off particles and energy | 2 sets | |
| 17 | nucleus breaks down over time, giving off radiation in the form of matter and energy | 2 sets | |
| 18 | an isotope that has an unstable nucleus and that emits radiation | 2 sets | |
| 19 | isotope in which the nucleus decays | 2 sets | |
| 20 | the nucleus decays, giving off particles and energy | 1 set | |
| 21 | an atom that gives off nuclear radiation and has the same number of protons as another atom but diffrent nutrons | 1 set | |
| 22 | an isotope (an atomic form of a chemical element) that is unstable; the nucleus decays spontaneously, giving off detectable particles and energy | 1 set | |
| 23 | one in which the nucleus decays spontaneously, giving off particles & energy | 1 set | |
| 24 | nucleus decays spontaneously giving off particles and energy | 1 set | |
| 25 | an isotope that gives off radio active energy levels (carbon-14) | 1 set | |
| 26 | nucleus' decays spontaneously giving off particles and energy | 1 set | |
| 27 | has a nucleus that decays by giving off energy | 1 set | |
| 28 | isotope in which the nucleus decays over time, giving off radiation in the form of matter and energy | 1 set | |
| 29 | spontaneously decompose - change from one element to another | 1 set | |
| 30 | an isotope in which the nucleus decays spontaneously | 1 set | |
| 31 | unstable; nuclei decays to stable configuration | 1 set | |
| 32 | isotope in which the nucleus decays spontaneously | 1 set | |
| 33 | one in which the nucleus spontaneously decays, giving off particles and energy | 1 set | |
| 34 | an isotope of an atom in which the nucleus decays, giving off particles and energy. can harm living organisms by damaging cellular molecules | 1 set | |
| 35 | nucleus spontaneously decays, giving off particles and energy and leading to a change in the proton number, changing the element's identity | 1 set | |
| 36 | this is an isotope in which the nucleus decays spontaneously | 1 set | |
| 37 | one in which the nucleus decays spontaneously, giving off particles and energy | 1 set | |
| 38 | when the nucleus decays over time | 1 set | |
| 39 | isotope with unstable nucleus | 1 set | |
| 40 | the nucleus decays over time, giving off radiation in the form of matter and energy | 1 set | |