Thorium Summary

Everything you need to understand or teach Thorium.

  • 3 Encyclopedia Articles

Study Pack

The Thorium Study Pack contains:

Encyclopedia Articles (3)

348 words, approx. 2 pages
Thorium Thorium is a member of the actinide family, a group of elements in Row 7 of the periodic table. It has an atomic number of 90, an atomic mass of 232.0381, and a chemical symbol of Th. Properti... Read more
363 words, approx. 2 pages
Thorium Thorium is an actinide series, rare earth element denoted by the atomic symbol, Th. It has an atomic number of 90 and the average atomic weight of its isotopes is 232.0381. It is a grayish-whi... Read more
1,522 words, approx. 6 pages
Thorium Symbol Th Atomic Number 90 Atomic Mass 232.0381 Family Actinide Pronunciation THOR-ee-um Overview Thorium is a member of the actinide family. The actinide elements are located in Row 7 of the... Read more