tararua

Hua

Scandum, 21sc
Tau Atomita (Z) 21
Wahanga i Stp totoka
Hanumi wāhi 1814 K (1541 ° C, 2806 ° F)
Kohua 3109 k (2836 ° C, 5136 ° F)
Te mata (tata ki te rt) 2.985 G / CM3
I te wai (i te MP) 2.80 G / CM3
Tuhinga o mua 14.1 kj / mol
Te wera o te vaborization 332.7 KJ / Mol
Te kaha wera olala 25.52 J / (mol · k)
  • Ko te Oxide Oxndium

    Ko te Oxide Oxndium

    Scandum (III) Oxide, scandia ranei he pūhui whaikorero me te tauira SC2O3. Ko te ahua he pai te paura ma o te punaha cubic. He rereke nga korero penei i te scandum trioxide, scandum (iii) oxide me te scandum sesquioxide. Ko ona rawa-matū-matū kei te tino tata ki etahi atu o nga momo whenua onge penei i te La2o3, Y2O3 me LUB2O3. Ko tetahi o nga kohinga o nga waahanga o te ao onge me te waahi rewa teitei. I runga i te hangarau o tenei wa, ko te SC2O3 / Treo te 99.999% i runga ake. Ko te whakarewanga i roto i te waikawa wera, heoi, kua ngoikore ki te wai.