Hua
Europium, 63Eu | |
Tau ngota (Z) | 63 |
Wāhanga i STP | mārō |
Te rewa | 1099 K (826 °C, 1519 °F) |
Kohuatanga | 1802 K (1529 °C, 2784 °F) |
Kiato (tata ki te rt) | 5.264 g/cm3 |
ina wai (i te mp) | 5.13 g/cm3 |
Te wera o te hanumi | 9.21 kJ/mol |
Te wera o te kohu | 176 kJ/mol |
Te kaha o te wera molar | 27.66 J/(mol·K) |
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Europium(III) Oxide
Europium(III) Oxide (Eu2O3)he pūhui matū o te europium me te hāora. He ingoa ano te Europium oxide ko Europia, Europium trioxide. He mawhero te tae o te Europium oxide. E rua nga hanganga rereke o te Europium oxide: cubic me te monoclinic. He rite tonu te ahua o te waikura europium kua hangaia ki te konupora waikura. He iti te wairewa o te Europium oxide ki te wai, engari ka memeha noa ki te waikawa kohuke. Ko te Europium oxide he rauemi waiariki e mau ana he ira whakarewa i te 2350 oC. Ko nga taonga maha-pai o Europium oxide penei i te aukume, te whatu me te rama rama he mea nui tenei rauemi. He kaha te Europium oxide ki te ngongo i te makuku me te waro ki te hau.