bn:00570590n
Noun Concept
Categories: Articles with short description, Element toxicology, Isotopes of potassium, Radionuclides used in radiometric dating
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potassium-40  40K  K-40  Potassium- 40  Potassium 40
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Potassium-40 is a radioactive isotope of potassium which has a long half-life of 1.25 billion years. Wikipedia
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Potassium-40 is a radioactive isotope of potassium which has a long half-life of 1.25 billion years. Wikipedia
An isotope of potassium Wikipedia Disambiguation
Isotope of potassium Wikidata
A naturally-occurring radioactive isotope of potassium, 4019K, having nineteen protons and twenty-one neutrons, and a half-life of 1.3 billion years; it is the chief source of natural radioactivity in living tissue. Wiktionary
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