zoo 1

Cov khoom

Samarium, 62 Sm
Atomic naj npawb (Z) 62
Phase ntawm STP khov kho
Melting point 1345 K (1072 ° C, 1962 ° F)
Boiling point 2173 K (1900 ° C, 3452 ° F)
Ceev (ze rt) 7,52g 3
thaum ua kua (ntawm mp) 7.16 g / cm3
Kub ntawm fusion 8.62 kJ / mol
Kub ntawm vaporization 192 kJ / mol
Molar tshav kub muaj peev xwm 29.54 J/(mol·K)
  • Samarium (III) Oxide

    Samarium (III) Oxide

    Samarium (III) Oxideyog cov tshuaj sib xyaw nrog cov tshuaj formula Sm2O3.Nws yog ib qho insoluble thermally ruaj khov Samarium qhov chaw haum rau iav, optic thiab ceramic daim ntaub ntawv.Samarium oxide tau nkag mus rau saum npoo ntawm cov hlau samarium nyob rau hauv cov av ntub lossis kub tshaj 150 ° C hauv huab cua qhuav.Cov oxide feem ntau yog xim dawb kom tawm xim daj thiab feem ntau ntsib raws li cov hmoov av zoo heev xws li daj ntseg hmoov, uas yog insoluble hauv dej.