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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)
  • Yttrium Oxide

    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.