Awọn ọja
| Yttrium, ọdun 39 | |
| Nọmba atomiki (Z) | 39 |
| Ipele ni STP | ṣinṣin |
| Ojuami yo | 1799 K (1526 °C, 2779 °F) |
| Oju omi farabale | 3203 K (2930 °C, 5306 °F) |
| iwuwo (nitosi RT) | 4,472 g / cm3 |
| nigbati omi (ni mp) | 4,24 g / cm3 |
| Ooru ti idapọ | 11,42 kJ / mol |
| Ooru ti vaporization | 363 kJ/mol |
| Molar ooru agbara | 26.53 J/ (mol·K) |
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Yttrium Oxide
Yttrium Oxide, ti a tun mọ ni Yttria, jẹ oluranlowo ohun alumọni ti o dara julọ fun dida ọpa ẹhin. O ti wa ni air-idurosinsin, funfun ri to nkan na. O ni aaye yo ti o ga (2450oC), iduroṣinṣin kemikali, olusọdipúpọ kekere ti imugboroja gbona, akoyawo giga fun awọn mejeeji ti o han (70%) ati ina infurarẹẹdi (60%), gige gige kekere ti awọn photons. O dara fun gilasi, opiki ati awọn ohun elo seramiki.