Home > Term: thorium
thorium
A chemical element, Th, atomic number 90. Thorium is a member of the actinide series of elements. It is radioactive with a half-life of about 1.4 × 1010 years.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Επιστήμη
- Category: Γενική επιστήμη
- Company: McGraw-Hill
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Δημιουργός
- Francisb
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