Kayayyaki
| Thorium, 90th | |
| Lambar Kuɗi | 7440-29-1 |
| Bayyanar | azurfa, sau da yawa tare da baƙar fata |
| Lambar Atom(Z) | 90 |
| Lokaci a STP | tauri |
| Wurin narkewa | 2023 K (1750 °C, 3182 °F) |
| Wurin tafasa | 5061 K (4788 °C, 8650 °F) |
| Yawan yawa (kusan rt) | 11.7 g/cm3 |
| Zafin haɗuwa | 13.81 kJ/mol |
| Zafin tururi | 514 kJ/mol |
| Ƙarfin zafin molar | 26.230 J/(mol·K) |
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thorium(IV) oxide (Thorium Dioxide) (ThO2) foda Tsarkakewa Min.99%
Thorium Dioxide (ThO2), wanda kuma ake kirathorium (IV) oxide, tushen Thorium ne mai ƙarfi wanda ba ya narkewa cikin zafi. Yana da ƙarfi mai ƙarfi kuma galibi fari ko rawaya a launi. Hakanan an san shi da thoria, ana samar da shi galibi azaman samfurin lanthanide da uranium. Thorianite shine sunan nau'in ma'adinai na thorium dioxide. Thorium yana da matuƙar daraja a cikin samar da gilashi da yumbu a matsayin launin rawaya mai haske saboda kyawun haskensa. Tsabtace shi (99.999%) Foda Thorium Oxide (ThO2) a 560 nm. Haɗaɗɗun oxide ba sa isar da wutar lantarki.