Video: Dab tsi ua rau emission spectrum ntawm ib lub caij?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Atomic emission spectrum tshwm sim los ntawm electrons poob los ntawm ntau zog zog mus rau qis zog nyob rau hauv lub atom , photons (lub teeb pob khoom) nrog cov wavelengths tshwj xeeb raug tso tawm.
Yog li ntawd, dab tsi ua rau emission spectrum?
Yog li, emission spectrum yog tsim los ntawm nyias gases nyob rau hauv uas lub atoms tsis muaj ntau kev sib tsoo (vim qhov tsawg ntom). Cov tso pa tawm kab sib raug rau photons ntawm discrete energies uas yog tso tawm thaum zoo siab atomic lub xeev nyob rau hauv cov roj ua kev hloov rov qab mus rau qis-dag theem.
vim li cas cov emission spectrum tshwj xeeb rau txhua lub caij? Txhua yam emission spectrum yog txawv vim txhua yam muaj cov txheej txheem sib txawv ntawm electron zog. Cov tso pa tawm kab sib raug rau qhov sib txawv ntawm ntau yam khub ntawm ntau qib zog. Cov kab (photons) yog tso tawm raws li electrons poob los ntawm lub zog siab dua orbitals mus rau qis zog.
Raws li, yuav ua li cas yog ib qho atomic emission spectrum ntawm ib lub ntsiab tsim?
Ib atomic emission spectrum yog tus qauv ntawm cov kab tsim thaum lub teeb dhau los ntawm lub prism kom cais nws mus rau hauv qhov sib txawv frequencies ntawm lub teeb nws muaj. Ib yam li ntawd, thaum lub atoms so rov qab mus rau lub xeev qis zog, txhua lub zog tuaj yeem tso tawm.
Vim li cas thiaj li emission spectrum ntawm ib qho khoom suav tias yog nws cov ntiv tes?
Atomic emission spectrum yog tshwj xeeb spectrum ntawm lub teeb tso tawm los ntawm ib keeb thaum hluav taws xob khiav los ntawm nws los yog thaum nws pom los ntawm lub prism. Vim lawv yog cov tshwj xeeb, lawv muaj peev xwm ua raws li ib tug keeb s ntiv tes . Nws yog ib txheej ntawm frequencies ntawm tus electromagnetic spectrum tawm los ntawm kev zoo siab cov ntsiab lus ntawm ib atom.
Pom zoo:
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