THORIUM

Thorium

Thorium is a naturally occurring radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 by the Norwegian mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jakob Berzelius and named after Thor, the Norse god of thunder.

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thorium

Noun

  1. A chemical element (symbol Th) with atomic number 90.


The above text is a snippet from Wiktionary: thorium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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