skos:altLabel | - 90
- reserves
- thorium
- ''thor''ium
- <sub>90</sub>Th
- <sup>232</sup>Th
- <sup>234</sup>Th
- Natural thorium
- Th
- Th-230
- Th-232
- Th/U
- Th<sup>4+</sup>
- Thoriated
- Thorium can be used in nuclear reactors
- Thorium#Thorium_extraction
- element 90
- greater abundance
- largest reserves of thorium
- properties of thorium
- radioactive thorium
- radioactive thorium waste
- thoriated
- thorium A
- thorium ores
- thorium radioactivity
- thorium reserves
- thorium-232
- α-Th
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