Meaning Of The Word Ionium

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Ionium Meaning

Ionium Definition
Ionium Definition

What's The Definition Of Ionium?

ionium in American English
a radioactive isotope of thorium having a mass number of 230 and a half-life of 8 × 104 years
noun: a naturally occurring radioactive isotope of thorium; at. no.: 90; at. wt.: 230

ionium in British English
noun: a naturally occurring radioisotope of thorium with a mass number of 230

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