Awọn ọja
| Ytrium, 39y | |
| Nọmba atomiki (z) | 39 |
| Alakoso ni stp | lagbara |
| Yo ojuami | 1799 k (1526 ° C, 2779 ° F) |
| Farabale | 3203 k (2930 ° C, 5306 ° F) |
| Iwuwo (nitosi rt) | 4.472 g / cm3 |
| Nigbati omi (ni MP) | 4.24 g / cm3 |
| Ooru ti iro | 11.42 Kj / Mol |
| Ooru ti vopization | 363 kj / mol |
| Agbara ooru ooru | 26.53 J / (Mol · k) |
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Yttiri
Yttiri, tun mọ bi yttria, jẹ oluranlowo kekere ti o dara julọ fun didakọ ère. O jẹ iduro-ara afẹfẹ, nkan funfun to nipọn. O ni aaye mmingting to ga (2450oc), iduroṣinṣin kemikali, alagidi kekere fun awọn mejeeji ti o han (70%) ina giga, ge agbara ti awọn fotons. O dara fun gilasi, Optic Optic ati ohun elo seramiki.