Lub cim qhia txog kev siv lub caij hauv cov moos atomic uas raug siab heev. Cesium yog ib lub mos, xim kub-xim hlauuas tau nrawm nrawm los ntawm huab cua thiab reacts explosively hauv dej. Kev siv ntau tshaj plaws rau cov tshuaj cesium yog raws li cov kua dej drilling.
hom hlau yog dab tsi?
Cesium (Cs), kuj sau caesium, tshuaj lom neeg ntawm pab pawg 1 (tseem hu ua Pawg Ia) ntawm lub sijhawm lub sijhawm, pawg hlau alkali, thiab thawj lub ntsiab rau tau tshawb pom spectroscopically (1860), los ntawm German kws tshawb fawb Robert Bunsen thiab Gustav Kirchhoff, uas tau hu nws rau cov kab xiav tshwj xeeb ntawm nws cov spectrum (Latin …
Pab dab tsi yog cesium hauv?
Group 1A - The Alkali Metals. Pab pawg 1A (los yog IA) ntawm lub rooj zaum yog cov hlau alkali: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), thiab francium (Fr). Cov no yog (tshwj tsis yog hydrogen) mos, ci iab, melting tsawg, reactive hlau, uas tarnish thaum raug huab cua.
Vim li cas cesium yog hlau?
Cesium belongs rau pawg hlau alkali, lossis Pawg 1, ntawm lub sijhawm teem sijhawm. Cov khoom no yog ci iab thiab muaj ib qho silvery-goldish tiav. Nws yog ib qho ntawm cov hlau reactive tshaj plaws nyob rau hauv lub ntiaj teb; Nws yog heev reactive thiab heev-flammable. Nws kuj yog ib qho ntawm 5 cov hlau uas tuaj yeem ua kua hauv chav sov.
Puas yog cesium yog lub ntiaj teb tsis tshua muaj hlau?
Cesium yog ib yam khoom tsis tshua muaj, feem ntau pom muaj qhov txawv txav, hloov zuj zusGranitic pegmatite pob zeb nyob rau hauv daim ntawv ntawm cov ntxhia pollucite thiab nyob rau hauv tej yam brines. Avalon's Lilypad cov cuab yeej nyob rau hauv Northwestern Ontario hosts cov pa phem-nplua nuj pegmatite uas tej zaum yuav yog ib qho tseem ceeb tsis tau tsim cov peev txheej cesium.
