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isotope
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What are isotopes and how do they work?
How are radioisotopes used in medical diagnosis and treatment?
phase diagrams of helium-3 and helium-4
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isotope summary
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phase diagrams of helium-3 and helium-4
What are isotopes and how do they work?
How are radioisotopes used in medical diagnosis and treatment?
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Key People

Francis William Aston.
Francis William Aston
British physicist and chemist
Frederick Soddy
British chemist
Theodore William Richards
American chemist

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Periodic Table of the elements concept image (chemistry)
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