Video: Yuav ua li cas koj thiaj paub tias nws yog bent los yog linear?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tawm = tsuas yog kab ntawm atoms nrog lub kaum sab xis 180 °. Nco ntsoov tias nws yog 2 lossis 3 atoms tag nrho. Khoov = Tawm tab sis khoov vim tus Lone Pairs uas nws muaj, tus ntau Lone Pairs tus ntau dua qhov khoov thiab tus me me tus degree.
Nyob rau hauv no hais txog, koj yuav ua li cas paub yog hais tias ib tug Lewis qauv yog khoov los yog linear?
Yog Tag nrho cov electrons khub yog ua raws li kev sib txuas ntawm electrons, tawm hauv tsis muaj ib khub ntawm lub hauv paus atom, ces cov molecule yuav kab tawm (eg; CO2). Yog , txawm li cas los xij, muaj ib lossis ob leeg ib leeg ntawm lub hauv paus atom, ces cov molecule yuav khoov (eg; SO2, H2O).
Tsis tas li ntawd, yog CCl4 khoov lossis linear? Raws li tus qauv Lewis, CCl4 yog tetrahedral molecule. Lub electronegativity rau C yog 2.5 thiab Cl yog 3.0, uas ua rau lub polar covalent daim ntawv cog lus. Qhov tseeb, txij li thaum lub molecule yog symmetrical, tag nrho cov dipole lub sij hawm yuav tshem tawm ib leeg tawm. CCl4 yog ib qho piv txwv ntawm ib tug nonpolar molecule.
Hauv qhov no, yog o2 linear lossis khoov?
Cov oxygen muaj 6 valence electrons thiab yog li xav tau 2 ntau electrons los ntawm 2 hydrogen atoms kom tiav nws octet. Lub molecule yog ob sab thiab khoov as opposed to beryllium hydride case uas yog a kab tawm los yog txoj kab ncaj nraim molecular geometry vim nws tsis muaj ib leeg electron khub.
Puas yog SCl2 khoov lossis linear?
SCl2 yog Sulfur Dichloride. Nws muaj ib tug Sulfur thiab ob chlorine molecules. Lub npe geometry yog khoov (tetrahedral). Rau nws yog tias nws yuav tsum muaj 2 tus lej ntawm kev sib txuas lus thiab 2 ib leeg ntawm electrons.
Pom zoo:
Yuav ua li cas koj thiaj paub yog nws finite los yog infinite?
Cov ntsiab lus kom paub cov txheej txheem finite lossis infinite yog: Infinite teeb tsis muaj qhov kawg ntawm qhov pib lossis qhov kawg tab sis ob sab tuaj yeem muaj kev txuas ntxiv tsis zoo li hauv Finite teeb qhov twg ob qho tib si pib thiab xaus cov ntsiab lus nyob ntawd. Yog hais tias ib lub teeb muaj tus naj npawb ntawm cov ntsiab lus tsis txwv ces nws yog infinite thiab yog hais tias cov ntsiab lus suav tau ces nws yog finite
Yuav ua li cas koj thiaj paub tias ib yam dab tsi yog ib yam khoom dawb huv los yog sib tov?
1. Cov tshuaj dawb huv tsis tuaj yeem muab cais ua lwm yam teeb meem, thaum sib xyaw yog sib xyaw ntawm ob lossis ntau dua cov khoom ntshiab. 2. Cov khoom ntshiab muaj lub cev tsis tu ncua thiab tshuaj lom neeg, thaum cov khoom sib xyaw muaj qhov sib txawv ntawm lub cev thiab tshuaj lom neeg (piv txwv li, qhov kub thiab txias)
Yuav ua li cas koj thiaj paub yog tias koj lub tsev nyob rau hauv lub dab dej?
Ntawm no yog 7 lub cim qhia ntau tshaj plaws hauv lub dab dej yuav tshwm sim: Ib puag ncig kev nyuaj siab nyob rau hauv lub ntiaj teb: Localized subsidence los yog kev nyuaj siab nyob txhua qhov chaw ntawm lub tsev: Lub pas dej ncig (los yog lub pas dej loj, tob): Lub hauv paus daws teeb meem: Kev tawg ntawm txoj kev lossis pavement : Cia li poob ntawm qhov dej hauv qhov chaw:
Yuav ua li cas koj paub yog tias nws yog Codominance los yog tsis tiav dominance?
Nyob rau hauv tsis tiav dominance ib tug heterozygous ib tug blends ob yam. Nrog codominance koj yuav pom ob qho tag nrho alleles qhia lawv cov teebmeem tab sis tsis sib xyaw whereas nrog tsis tiav dominance koj pom ob qho tag nrho alleles tab sis lawv tau muab sib xyaw
Yuav ua li cas koj thiaj paub yog hais tias ib tug scatter plot tsis muaj zog los yog muaj zog?
Peb hais tias muaj kev sib raug zoo tsis zoo nyob nruab nrab ntawm qhov sib txawv x thiab y. Xav txog cov nram qab no scatterplot: Peb saib tias y nce li x nce, thiab cov ntsiab lus tsis nyob ntawm txoj kab ncaj nraim. Peb hais tias ib qho kev sib raug zoo tsis muaj zog muaj nyob nruab nrab ntawm qhov sib txawv x thiab y