Video: Yuav ua li cas koj excite ib atom?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ib qho hydrogen atom nrog ntau dhau zog hais tias "zoo siab". Ob txoj hauv kev los ua kom lub cev muaj zog yog los ntawm kev nqus lub teeb thiab los ntawm kev sib tsoo. Thaum ob lub atom sib tsoo zog yog pauv. Qee zaum, qee qhov ntawd zog yog siv los excite ib tug electron los ntawm qis zog qib mus rau siab dua zog qib.
Raws li kev sib raug zoo, yuav ua li cas thaum koj excite atom?
Thaum ib tug electron nyob rau hauv ib tug atom tau nqus lub zog nws tau hais tias nyob rau hauv lub xeev zoo siab. Ib qho zoo siab atom yog tsis ruaj tsis khov thiab nyhav rau rearrange nws tus kheej kom rov qab mus rau nws lub zog qis tshaj plaws. Thaum no tshwm sim , cov electrons poob ib co los yog tag nrho ntawm lub zog dhau los ntawm emitting lub teeb.
atoms ntxiv zog li cas? Cov electron tuaj yeem nce qhov zog nws xav tau los ntawm absorbing lub teeb. Yog hais tias lub electron dhia los ntawm qhov thib ob zog theem qis mus rau thawj zog theem, nws yuav tsum muab tawm ib co zog los ntawm emitting lub teeb. Cov atom absorbs los yog emits lub teeb nyob rau hauv discrete pob ntawv hu ua photons, thiab txhua photon muaj ib tug meej zog.
Hais txog qhov no, vim li cas electrons siv los ua kom muaj zog atoms?
Hluav taws xob kuj tuaj yeem zoo siab los ntawm hluav taws xob excitation, qhov twg tus thawj hluav taws xob absorbs lub zog ntawm lwm tus, muaj zog hluav taws xob . Txoj kev yooj yim tshaj plaws yog kom sov cov qauv mus rau qhov kub thiab txias. Lub thermal zog tsim kev sib tsoo ntawm cov qauv atoms ua rau cov atom cov electrons kom zoo siab.
Dab tsi ntawm lub zog feem ntau yog siv los ua kom muaj zog electrons?
Lub kinetic zog , lub zog ntawm tsab ntawv tsa suab, yuav tsum muaj peev xwm kov yeej ib qho chaw pib mus zoo siab tus hluav taws xob.
Pom zoo:
Yuav ua li cas koj txiav txim siab npaum li cas ntawm cov kua qaub uas yuav tsum tau neutralize lub hauv paus?
Kev daws qhov teeb meem Acid-Base Neutralization Kauj Ruam 1: Muab xam cov moles ntawm OH-. Molarity = moles / ntim. moles = Molarity x Volume. moles OH- = 0.02 M/100 milliliters. Kauj ruam 2: Xam qhov ntim ntawm HCl xav tau. Molarity = moles / ntim. Volume = moles/molarity. Volume = moles H+/0.075 Molarity
Yuav ua li cas koj nrhiav tau tus naj npawb ntawm electrons nyob rau hauv ib tug uncharged atom?
Tus naj npawb atomic sawv cev rau tus naj npawb ntawm protons hauv atom lub nucleus. Hauv ib qho atom uas tsis tau them nyiaj, tus naj npawb ntawm cov protons ib txwm sib npaug ntawm cov electrons. Piv txwv li, carbon atoms suav nrog rau protons thiab rau electrons, yog li cov pa roj carbon monoxide yog 6
Yuav ua li cas koj xam atom kev lag luam?
Ib txoj hauv kev los mus ua kom xam cov kev lag luam atom yog siv cov kauj ruam hauv qab no: Tsim ib qho kev sib npaug tshuaj rau cov tshuaj tiv thaiv. Ntsuas qhov sib npaug. Xam cov huab hwm coj ntawm reactants thiab cov khoom siv atomic masses thiab formula masses los ntawm lub sij hawm lub sij hawm. Xam qhov feem pua atom kev lag luam
Yuav ua li cas koj paub tus naj npawb ntawm protons hauv ib lub atom?
Tus naj npawb ntawm protons, neutrons, thiab electrons hauv atom tuaj yeem txiav txim siab los ntawm cov txheej txheem yooj yim. Tus naj npawb ntawm protons nyob rau hauv lub nucleus ntawm lub atom yog sib npaug rau atomic tooj (Z). Tus naj npawb ntawm electrons nyob rau hauv ib tug nruab nrab atom yog sib npaug zos rau tus naj npawb ntawm protons
Thaum twg koj yuav tsum siv correlation thiab thaum twg koj yuav tsum siv yooj yim linear regression?
Regression feem ntau yog siv los tsim cov qauv / qhov sib npaug los kwv yees cov lus teb tseem ceeb, Y, los ntawm cov txheej txheem kwv yees (X) sib txawv. Kev sib raug zoo feem ntau yog siv los ua kom sai thiab ua kom luv luv cov kev taw qhia thiab lub zog ntawm kev sib raug zoo ntawm ib pawg ntawm 2 lossis ntau tus lej sib txawv