Awọn ọja
| Thorium, 90th | |
| Cas No. | 7440-29-1 |
| Ifarahan | silvery, igba pẹlu dudu tarnish |
| Nọmba Atomiki (Z) | 90 |
| Ipele ni STP | ṣinṣin |
| Ojuami yo | 2023 K (1750 °C, 3182 °F) |
| Oju omi farabale | 5061 K (4788 °C, 8650 °F) |
| iwuwo (nitosi RT) | 11,7 g / cm3 |
| Ooru ti idapọ | 13,81 kJ / mol |
| Ooru ti vaporisation | 514 kJ/mol |
| Molar ooru agbara | 26.230 J/ (mol·K) |
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thorium(IV) ohun elo afẹfẹ (Thorium Dioxide) (ThO2) powder Purity Min.99%
Thorium Dioxide (ThO2), tun npe nioxide thorium (IV)., jẹ orisun Thorium iduroṣinṣin ti ko ni yo to gaju. O ti wa ni a kirisita ri to ati igba funfun tabi ofeefee ni awọ. Tun mọ bi thoria, o jẹ iṣelọpọ ni pataki bi ọja nipasẹ-ọja ti lanthanide ati iṣelọpọ uranium. Thorianite ni orukọ fọọmu mineralogical ti thorium oloro. Thorium ni idiyele giga ni gilasi ati iṣelọpọ seramiki bi awọ ofeefee didan nitori irisi ti o dara julọHigh Purity (99.999%) Thorium Oxide (ThO2) lulú ni 560 nm. Awọn agbo ogun oxide kii ṣe adaṣe si ina.