Ngwaahịa
| Thorium, 90th | |
| Ama. | 7440-29-1 |
| Mputa | Silvery, mgbe mgbe na ojii tarnish |
| Nọmba atom (z) | 90 |
| Oge na STP | nke siriike |
| Na-agbaze | 2023 K (1750 Celsius C, 3182 Celsius F) |
| Isi mmiri | 5061 K (4788 Celsius C, 8650 Celsius F) |
| Nnọọ (n'akụkụ RT) | 11,7 g / cm3 |
| Okpomoku nke Fusion | 13.81 KJ / MOL |
| Okpomoku nke Vporiation | 514 KJ / MOL |
| Ike ikuku | 26.230 J / MOLO) |
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Thorium (iv) oxide (thoradium dioxide) (tho2) powsity ọcha min.99%
Thorium Dioxide (Tho2), nke a na-akpọthor (iv) oxide, bụ ihe na-egbochi oke ikuku nke na-akwụsi ike nke ukwuu. Ọ bụ kristal siri ike ma na-acha ọcha ma ọ bụ odo na agba. A makwaara dị ka thor, a na-egosipụta tumadi dị ka site na ngwaahịa nke liannium. Thorianite bụ aha ụdị porogium dioxide. A na-eji iko na-emepụta mkpụrụ osisi na seramiiki na seramiiki na-acha odo odo n'ihi ịdị ọcha ya na-acha ọcha (99.999%) thoray oxide (tho2) na 560 nm. A na-akụzi ngwa ngwa na ọkụ eletrik.