Ngwaahịa
| Thorium, 90th | |
| Cas No. | 7440-29-1 |
| Ọdịdị | ọlaọcha, na-enwekarị tarnish ojii |
| Nọmba Atọmic (Z) | 90 |
| Usoro na STP | siri ike |
| Ebe mgbaze | 2023 K (1750 Celsius, 3182 Celsius) |
| Ebe esi nri | 5061K (4788 Celsius, 8650 Celsius) |
| Njupụta (nke dị nso rt) | 11.7 g/cm3 |
| Okpomọkụ nke ngwakọta | 13.81 kJ / mol |
| Okpomọkụ nke vaporisation | 514 kJ / mol |
| Ike okpomọkụ molar | 26.230 J/(mol·K) |
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thorium (IV) oxide (Thorium Dioxide) (ThO2) ntụ ntụ Dị ọcha Min.99%
Thorium dioxide (ThO2), nke a na-akpọkwathorium (IV) oxide, bụ isi iyi Thorium kwụsiri ike nke ukwuu. Ọ bụ kristal siri ike ma na-acha ọcha ma ọ bụ odo na agba. A makwaara dị ka thoria, a na-emepụta ya karịsịa dị ka ngwaahịa sitere na lanthanide na mmepụta uranium. Thorianite bụ aha ụdị nke thorium dioxide. A na-eji Thorium kpọrọ ihe nke ukwuu na iko na mmepụta seramiiki dị ka pigmenti na-acha odo odo na-egbuke egbuke n'ihi nlegharị anya ya kachasị dị ọcha (99.999%) Thorium Oxide (ThO2) ntụ ntụ na 560 nm. Ngwakọta oxide anaghị eduzi ọkụ eletrik.