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Radiothorium   Listen
noun
radiothorium  n.  (Chem.) An earlier name for the thorium isotope thorium-228, given by its discoverer Otto Hahn. It is a radioactive substance formed as one of series of products in the chain of radioactive decay of thorium. Its immediate predecessor in the chain is Actinium-228, and it decays by alpha emission to radium-224 with a half-life of 1.91 years. The name radiothorium was given prior to the full understanding of the nature of isotopes of elements.






Collaborative International Dictionary of English 0.48








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Words linked to "Radiothorium" :   thorium-228, atomic number 90, Th, thorium



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