2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Oganesson, muaj npe rau tus kws kho mob Lavxias teb sab Yuri Oganessian (SN: 1/21/17, p. 16), yog lub caij hnyav tshaj plaws tam sim no ntawm lub rooj zaum, hnyav nrog Ib qho loj atomic loj ntawm kwv yees li 300. Tsuas yog ob peb lub atoms ntawm cov khoom hluavtaws tau tsim, txhua tus uas muaj sia nyob tsawg dua ib millisecond.
Lub ntsiab lus hnyav tshaj plaws yog dab tsi?
Lub cev hnyav tshaj plaws uas ruaj khov yog uranium, tab sis ntau xyoo physicists tau siv cov accelerators los tsim cov ntsiab lus loj dua, hnyav dua. Xyoo 2006, physicists hauv Tebchaws Meskas thiab Russia tsim lub ntsiab 118.
Lub ntsiab lus hnyav tshaj 2021 yog dab tsi?
Lub ntsiab lus hnyav tshaj plaws, hais txog qhov hnyav atomic, yog oganesson (atomic tooj 118). Osmium yog qhov tseem ceeb ntawm lub rooj ntu, nrog lub ntom ntom ntawm 22.59 g / cm3ntawm chav kub..
Ib yam 140 ua tau?
Raws li xyoo 2020, tsis muaj cov ntsiab lus uas muaj tus lej atomic ntau dua 118 tau ua tiav tiav. … Raws li qhov no, Corbomite (Ct) yog ib qho tshuaj lom neeg nrog atomic tooj 140. Txawm li cas los xij, hauv kev tshawb fawb ntawm lub neej tiag tiag, element 140 tseem tsis tau txheeb xyuas.
Dab tsi yog qhov tuab tshaj plaws?
Ntawm qhov kub thiab txias ntawm lub ntiaj teb saum npoo av, cov khoom siv ntom ntom tshaj plaws yog hlau hlau osmium, uas ntim 22 grams rau hauv 1 cubic centimeter, lossis ntau tshaj 100 grams rau hauv. ib teaspoonful.
