Thorium

High Quality Content by WIKIPEDIA articles Thorium ( /ˈθɔəriəm/ THOHR-ee-əm) is a natural radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 and named after Thor, the Norse god of thunder.

• Format: Paperback
• Language: English
• ISBN: 5512179721
• ISBN13: 9785512179727
• Release Date: January 1
• Publisher: Book on Demand Ltd.
• Length: 156 Pages
• Weight: 0.43 lbs.
• Dimensions: 0.3" x 5.8" x 8.3"