Astatine yog cov khoom siv tshuaj nrog lub cim ntawm tus lej atomic 85. Nws yog qhov tsis tshua muaj tshwm sim nyob rau hauv lub ntiaj teb pob zeb, tshwm sim tsuas yog cov khoom lwj ntawm ntau yam hnyav dua. Tag nrho cov astatinine isotopes yog luv luv; qhov ruaj khov tshaj plaws yog astatin-210, nrog ib nrab-lub neej ntawm 8.1 teev.
Kev teeb tsa hluav taws xob tag nrho yog dab tsi?
Kev teeb tsa hluav taws xob yog cov qauv siv los piav qhia cov qauv hluav taws xob ntawm lub atom. Nyob rau hauv lub orbital approximation, peb cia txhua lub electron nyob ib ncig ntawm lub orbital, uas yuav daws tau los ntawm ib tug wavefunction. … Cov lej no tuaj yeem xav tias yog ib qho hluav taws xob "chaw nyob" hauv atom.
1s2 2s2 2p6 3s2 txhais li cas?
Teb: 1s2 2s2 2p6 3s2 3p4 txhais tau tias ● s subshell ntawm thawj lub orbit lossis qib zog (1s2) muaj ob lub electrons, ●s su…
Dab tsi yog electron 1s2 2s2 2p6?
The electron configuration for Copper (Co) is: 1s2 2s2 2p6 3s3 3p6 4s2 3d7.
Lub caij twg muaj lub hauv av xeev electron teeb tsa 1s2 2s2 2p6 3s2 3p6 4s2 3d6?
Yog koj xa mus rau qhov nruab nrab atom, ces Vanadium (V) muaj qhov tshwj xeeb electron configuration. Qhov no txhais tau hais tias lub atom koj tab tom nrhiav rau muaj ib qho atomic loj ntawm 23, uas sib haum mus rau atomic mass ntawm Vanadium, ib qho kev hloov hlau nyob rau hauv plaub kab, pawg 5 ntawm lub sij hawm.
