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is the spontaneous fission of uranium, which only happens if enough uranium is present in a small enough volume

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at one time this was regarded as a transmutation of iron into copper.

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hydrogen, the lightest element, has three isotopes with mass number 1,2 and 3. only hydrogen-3(tritium), however is a radioactive isotope

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has been leading perfusion scanning for some time although the modality has certain pitfalls

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Nuclear Medicine Definition: the branch of medicine that deals with the use of radioactive substances in research, diagnosis, and treatment.

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Nuclear Medicine Definition: the branch of medicine that deals with the use of radioactive substances in research, diagnosis, and treatment.

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if the half of a 50.0 gram sample is 3 years ,then in 3 years only 25 grams would remain.

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is the time required for a quantity to reduce to half its initial value

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an example is the natural decay of potassium-40 to argon-40 which forms most of the argon into air.

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4 helium that comes together to make heat

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The threat of cancer from large amounts of nuclear radiation produced in a detonation

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the process or result of joining two or more things together to form a single entity.

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the changing of one element into another by radioactive decay , nuclear bombardment or similar process .

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 it seemed the fusion of their personalities might be permanent. 🔊

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 it seemed the fusion of their personalities might be permanent. 🔊

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the action of dividing or splitting something into two or more parts

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Fission picture :)

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radioactive iodine is a example of radioactive medicine.

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It's 2 or more things combining to make as a result something new /like a new form of element.

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Nuclear Radiation is defined as the energy particles or rays that are given off from a radioactive element,such as Uranium,as it decays

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Every radioactive isotope provides an independent clock for measuring geological time.

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a isotope having an unstable nucleus that decomposes by a nuclear electron

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When the nuclei of atoms divide into two parts and there is energy created by the split, this is an example of fission.