cesium (Cs), kuj sau caesium, tshuaj lom neeg ntawm Pawg 1 (tseem hu ua Pawg Ia) ntawm lub rooj zaum, 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 …
Dab tsi yog lub cim rau cesium?
Cesium yog ib yam tshuaj muaj cim Cs thiab atomic tooj 55. Classified as alkali hlau, Cesium yog ib qho khoom ntawm chav tsev kub.
Lub cim rau ion cesium yog dab tsi?
Cesium ion | Cs+ - PubChem.
Puas muaj pes tsawg valence electrons nyob hauv ib atom ntawm K?
Tus naj npawb ntawm valence electrons yog qhov txiav txim siab qhov rov ua haujlwm ntawm atom. K yog lub cim rau cov poov tshuaj, thiab tus naj npawb ntawm valence electron tuaj yeem pom los ntawm nws cov pab pawg ntawm cov ntawv teev sijhawm. Li no, nws muaj ib valence electron.
Cesium siv qhov twg?
Kev siv ntau tshaj plaws rau cov tshuaj cesium yog li a drilling kua. Lawv kuj tau siv los ua cov iav tshwj xeeb kho qhov muag, ua tus txhawb nqa catalyst, hauv cov raj nqus tsev thiab hauv cov khoom siv hluav taws xob saib xyuas. Ib qho ntawm nws qhov tseem ceeb tshaj plaws yog siv hauv 'caesium moos' (atomic moos).
