Protactinium (yav tas los protoactinium) yog cov khoom siv tshuaj nrog lub cim Pa thiab tus lej atomic 91. Nws yog tuab, silvery-grey actinide hlauuas nkag tau nrog oxygen, dej. vapor thiab inorganic acids.
YPuas yog protactinium tsis yog hlau?
Density (ze r.t.) ~ 9.9 µm / (m⋅K) (ntawm r.t.) Protactinium (yav tas los protoactinium) yog cov khoom siv tshuaj nrog lub cim Pa thiab tus lej atomic 91. Nws yog ntom, silvery-grey actinide hlau uas nkag tau yooj yim nrog oxygen, dej vapor thiab inorganic acids.
hom hlau twg yog protactinium?
Protactinium Properties
Protactinium yog radioactive actinide pawg hlau nrog lub cim atomic Pa, atomic tooj 91, thiab atomic hnyav 231. Nws lwj los ntawm alpha-emission.. Nws yog Block F, Pab Pawg 3, Lub Sijhawm 7.
Puas yog actinium yog hlau lossis nonmetal?
Tshuaj, actinium, uas nyob rau hauv nws haiv neeg daim ntawv yog ib tug silvery hlau, muaj cov yam ntxwv zoo ib yam li lwm yam tsawg lub ntiaj teb xws li lanthanum. Actinium muaj peb caug-rau-siv isotopes tag nrho cov uas yog radioactive.
Kev faib tawm ntawm protactinium yog dab tsi?
Protactinium yog ib yam tshuaj muaj cim Pa thiab atomic tooj 91. Classified as an actinide, Protactinium yog ib qho khoom ntawm chav tsev kub.
