Definitions for radiothorium
This page provides all possible meanings and translations of the word radiothorium
radioactive isotope of thorium with mass number 228
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.
The radioactive isotope thorium-228
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"radiothorium." Definitions.net. STANDS4 LLC, 2015. Web. 27 Feb. 2015. <http://www.definitions.net/definition/radiothorium>.