thorium (Q390)
From geokb
Rare earth (actinide series) element with symbol Th and atomic number 90 <http://periodic.lanl.gov/90.shtml>
- Th
Language | Label | Description | Also known as |
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English | thorium |
Rare earth (actinide series) element with symbol Th and atomic number 90 <http://periodic.lanl.gov/90.shtml> |
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