Kaya
| Therium, 90th | |
| Cas A'a. | 7440-1 |
| Bayyanawa | silvery, sau da yawa tare da baki tarnish |
| Lambar Atomic (Z) | 90 |
| Lokaci a STP | m |
| Mallaka | 2023 k (1750 ° C, 3182 ° F) |
| Tafasa | 5061 k (4788 ° C, 8650 ° F) |
| Density (kusa da RT) | 11.7 g / cm3 |
| Zauni da Fusion | 13.81 KJ / MOL |
| Zafarkun tururi | 514 KJ / MOL |
| Motar zafi | 26.230 J / (Mol · k) |
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Thorium (IV) Oxide (IV Drium Dioxide) (Tho2) Tsarkakakken foda min.99%
Damiats dioxide (tho2), kuma ana kirantaThorium (iv) oxide, shine mafi girman insoly horiod tabbata. Yana da murhu mai ƙarfi kuma sau da yawa fari ko rawaya cikin launi. Hakanan ana kiransa Thomia, ana samar dashi musamman kamar-samfurin na lanthande da samar da uranium. Thoriyanci shine sunan nau'in ma'adanai na Therioxide. Horium yana da daraja sosai a cikin gilashi da samar da ruwa mai haske kamar yadda aka samar da launin rawaya mai haske saboda mafi kyawun yanayin magana (99.999%) foda mai tsabta (TO2) foda a 560 nm. Hukumar oxide ba ta haifar da wutar lantarki.