Video: Dab tsi ntawm daim ntawv cog lus yog aluminium thiab oxygen?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hauv zaj lus qhia no, peb kawm tau li ntawd aluminium oxide yog ib qho ionic compound tsim los ntawm aluminium hlau thiab oxygen . Ionic tebchaw tshwm sim ntawm cov hlau thiab cov hlau tsis muaj hlau thiab koom nrog kev sib pauv ntawm electrons ntawm ob lub atoms.
Ib yam li ntawd, puas yog aluminium thiab oxygen yog covalent daim ntawv cog lus?
peb paub tias aluminium muaj +3 them thaum oxygen muaj -2, raws li txoj cai yog hais tias lub xeev oxidation ntawm lub ntsiab tsis zoo ib yam lawv interchanged yog li los ntawm kev ua raws li txoj cai no peb yuav hais tias. aluminium oxide muaj ionic cim (Al2O3). qhov no kuj qhia covalent xwm vim nws me me Atomic Radi.
Kuj Paub, Aluminium teb li cas nrog oxygen? Cov tshuaj tiv thaiv ntawm aluminium nrog huab cua Qhov saum npoo ntawm aluminium hlau yog them nrog ib txheej nyias ntawm oxide uas pab tiv thaiv cov hlau los ntawm kev tawm tsam los ntawm huab cua. Yog li, feem ntau, alumium hlau ua tsis yog teb nrog cua. Aluminium yuav hlawv hauv oxygen nrog cov nplaim dawb ci ntsa iab los tsim cov trioxide alumnium (III) oxide, Al2O3.
Hais txog qhov no, hom ntawv cog lus twg yog aluminium oxide?
Tus qauv dav dav yog qhov ntawd oxides nrog loj ionic lattices yog qhov yooj yim, hos cov qauv nrog covalent qauv yog acidic. Cov kev sib raug zoo hauv Al2O3 yog ob qho tib si ionic thiab covalent hauv qhov; aluminium oxide yog li amphoteric.
Puas yog aluminium oxide polar lossis nonpolar?
Aluminium oxide, muaj Al thiab O, Al ua electropositive thiab O yog electropositive heev, yog li Al-O daim ntawv cog lus yog pre-dominantly ionic tab sis tsis yog ntshiab ionic. Yog li, nws muaj ib co covalent cim thiab li no ib tug yuav tham txog lub polarity. ntawm no compound. Yog li ntawd, Al2O3 Nws yog polar, tab sis nws yog feem ntau ionic.
Pom zoo:
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