- francium. Qhov hnyav tshaj plaws ntawm cov hlau alkali yog tsawg heev thiab cov xov tooj cua thiab muaj lub neej luv luv (kwv yees 22 feeb).
- cesium. Tsis tshua muaj hlau uas yog siv tshwj xeeb tshaj yog nyob rau hauv photoelectric hlwb, atomic moos, infrared teeb thiab kho tej yam qog nqaij hlav.
- rubidium. …
- potassium. …
- sodium. …
- lithium.
Puas yog francium yog hlau alkali loj tshaj plaws?
Francium (Fr), heaviest chemical element of Group1 (Ia) nyob rau hauv lub sij hawm lub sij hawm, cov alkali hlau pawg. Nws tsuas muaj nyob hauv cov ntawv xov tooj cua luv luv xwb. Ntuj francium tsis tuaj yeem raug cais tawm hauv qhov pom, qhov hnyav, tsuas yog 24.5 grams (0.86 ooj) tshwm sim txhua lub sijhawm hauv tag nrho lub ntiaj teb.
Puas yog potassium yog hlau alkali loj tshaj plaws?
Txhua qhov pom alkali hlau tshwm sim nyob rau hauv cov xwm txheej raws li lawv cov tebchaw: nyob rau hauv kev txiav txim ntawm abundance, sodium yog ntau tshaj, ua raws lipotassium , lithium, rubidium, caesium, thiab thaum kawg francium, uas yog tsawg heev vim nws cov xov tooj cua tsis tshua muaj siab; francium tshwm sim tsuas yog nyob rau hauv feeb ib kab nyob rau hauv cov xwm li ib…
Puas alkali hlau muaj qhov loj tshaj?
Tam sim no cov hlau alkali muaj qhov loj tshaj plaws vim tias lawv muaj tsawg tsawg ntawm cov hluav taws xob ntim rau hauv lawv lub plhaub valence uas ua rau lawv muaj qhov ua kom muaj zog thiab muaj kev nyiam yooj yim plam electrons thiab form compound.
Cov hlau alkali twg muaj qhov me tshaj plaws?
lithium yog ibalkali hlau uas tsawg tshaj plaws nyob rau hauv loj.
