Hordhac kooban
Magaca wax soo saarka: praseymium
Qaaciddada: pr
CAS MAYA.: 7440-0
Miisaanka Moleculal: 140.91
Cufnaanta: 6.71 g / ml at 25 ° C
Barta dhalaalaysa: 931 ° C
Qaadashada: 10 x 10 x 10 mm cube
Waxyaabaha: | Praseyfium |
Daahirnimo: | 99.9% |
Lambarka Atomic: | 59 |
Cucid | 6.8 g.cm-3 at 20 ° C |
Dhibcaha dhalaalaya | 931 ° C |
Bartilmaameedka Bolling | 3512 ° C |
Cabbir dhan kasta ah | 1 inji, 10mm, 25.4mm, 50mm, ama loo habeeyay |
Isticmaal | Hadiyado, saynis, bandhig, aruurinta, qurxinta, waxbarashada, cilmi baarista |
Praseymmium waa bir jilicsan oo jilicsan, bir bir ah. Waxay xubin ka tahay kooxda Lanthanide the Lanthanide miiska xilliyada ee walxaha. Waxay si tartiib tartiib ah ula falcelisaa oksijiin: marka ay ku dhacdo hawada waxay samaysataa oksiid cagaaran oo aan ka difaacin oksidation dheeraad ah. Waxay u adkeysaneysaa inay u adkaysato cirifka hawada miraha kale ee dhif ah, laakiin waxay wali u baahan tahay in lagu keydiyo saliida ama lagu daboolo caag. Waxay si dhakhso leh uga falcelisaa biyo.
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