zoo 1

Cov khoom

Europium, 63 Ib
Atomic naj npawb (Z) 63
Phase ntawm STP khov kho
Melting point 1099 K (826 ° C, 1519 ° F)
Boiling point 1802 K (1529 ° C, 2784 ° F)
Ceev (ze rt) 5.264 g / cm3
thaum ua kua (ntawm mp) 5.13 g / cm3
Kub ntawm fusion 9.21 kJ / mol
Kub ntawm vaporization 176 kJ / mol
Molar tshav kub muaj peev xwm 27.66 J/(mol·K)
  • Europium (III) Oxide

    Europium (III) Oxide

    Europium (III) Oxide (Eu2O3)yog ib qho tshuaj sib xyaw ntawm europium thiab oxygen.Europium oxide kuj muaj lwm lub npe xws li Europia, Europium trioxide.Europium oxide muaj xim liab dawb.Europium oxide muaj ob lub qauv sib txawv: cubic thiab monoclinic.Lub cubic structured europium oxide yuav luag zoo ib yam li magnesium oxide qauv.Europium oxide muaj qhov tsis zoo solubility hauv dej, tab sis yooj yim yaj hauv cov ntxhia acids.Europium oxide yog thermally ruaj khov khoom uas muaj melting point ntawm 2350 oC.Europium oxide cov khoom siv ntau yam zoo li cov khoom sib nqus, kho qhov muag thiab luminescence ua rau cov khoom no tseem ceeb heev.Europium oxide muaj peev xwm nqus dej noo thiab carbon dioxide hauv huab cua.