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...
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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...
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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...
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