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
The numerical value of radiothorium in Chaldean Numerology is: 8
The numerical value of radiothorium in Pythagorean Numerology is: 7
Images & Illustrations of radiothorium
Find a translation for the radiothorium definition in other languages:
Select another language:
Discuss these radiothorium definitions with the community:
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Use the citation below to add this definition to your bibliography:
"radiothorium." Definitions.net. STANDS4 LLC, 2017. Web. 19 Nov. 2017. <http://www.definitions.net/definition/radiothorium>.