thorium
11/23/2017 / By Zoey Sky
Thorium — toxicity, side effects, diseases and environmental impacts
Discovered in 1828 by the Swedish chemist Jons Jakob Berzelius, thorium is a naturally-occurring, slightly radioactive metal. Berzelius named thorium after Thor, the Norse god of thunder. Small amounts of thorium is found in most rocks and soils, and it is at least three times more abundant than uranium. Soil contains an estimated six parts per million (ppm) […]
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