Rubidium yog cov khoom siv tshuaj muaj cim Rb thiab tus lej atomic 37. Muab faib ua cov hlau alkali, Rubidium yog cov khoom ntawm chav tsev kub.
Puas RB yog ib qho khoom lossis qhov sib xyaw?
rubidium (Rb), tshuaj lom neeg ntawm pawg 1 (Ia) nyob rau hauv lub sij hawm lub sij hawm, lub alkali hlau pawg. Rubidium yog thib ob feem ntau reactive hlau thiab yog mos heev, nrog ib tug silvery-dawb lustre.
RB yog dab tsi ntawm lub rooj zaum?
Rubidium yog cov xim dawb-dawb thiab mos heev - thiab yog ib qho ntawm cov khoom muaj zog tshaj plaws ntawm lub rooj zaum.
Puas yog RB kua element?
Rubidium yog ib qho mos, silvery-white metallic keeb ntawm pawg alkali hlau (Pawg 1). Nws yog ib qho ntawm feem ntau electropositive thiab alkaline ntsiab. Rubidium tuaj yeem ua kua ntawm qhov kub thiab txias, tab sis tsuas yog nyob rau hnub kub uas tau muab nws cov ntsiab lus melting yog li 40 ° C.
Electron configuration rau RB 1 yog dab tsi?
Rubidium atoms muaj 37 electrons thiab lub plhaub qauv yog 2.8. 18.8 ib. 1. Lub hauv paus xeev electron configuration ntawm hauv av xeev gaseous nruab nrab rubidium yog [Kr].
