benear1

Ngā Hua

Europium, 63Eu
Tau ātomi (Z) 63
Wāhanga i STP totoka
Te pūwāhi rewa 1099 K (826 °C, 1519 °F)
Te pūwāhi koropupū 1802 K (1529 °C, 2784 °F)
Kiato (tata ki te rt) 5.264 karamu/cm3
ina wai (i te mp) 5.13 karamu/cm3
Te wera o te hanumitanga 9.21 kJ/mol
Te wera o te mimiti 176 kJ/mol
Te kaha o te wera molar 27.66 J/(mol·K)
  • Waikura Europium(III)

    Waikura Europium(III)

    Te Waikura Europium(III) (Eu2O3)He matū te Europium oxide, he matū kei roto i te europium me te hāora. Ko ētahi atu ingoa o te Europium oxide ko Europia, Europium trioxide. He māwhero te tae o te Europium oxide. E rua ngā hanganga rerekē o te Europium oxide: he cubic me te monoclinic. He tata rite te hanganga o te Europium oxide cubic ki te hanganga o te konupora oxide. Kāore he wairewa o te Europium oxide i roto i te wai, engari ka tere te rewa ki ngā waikawa kohuke. He rauemi pumau te Europium oxide, ā, he rewa i te 2350°C. Nā ngā āhuatanga maha-whai hua o te Europium oxide pērā i te aukume, te whatu me te kanapa, he mea tino nui tēnei rauemi. Ka taea e te Europium oxide te mimiti i te makuku me te hauhā waro i roto i te hau.