Video: Quartz puas yog covalent siv lead ua?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Piv txwv ntawm covalent crystals suav nrog pob zeb diamond, quartz thiab silicon carbide. Tag nrho cov no covalent crystals muaj cov atoms uas nruj nreem ntim thiab sib cais tsis yooj yim. Lawv cov qauv sib txawv ntawm cov atoms hauv molecular siv lead ua xws li dej thiab carbon dioxide uas yooj yim sib cais.
Kuj tseem paub, dab tsi yog covalent siv lead ua?
Covalent crystals yog cov khib nyiab uas cov ntsiab lus lattice tau nyob los ntawm cov atoms uas tau sib koom ua ke rau lwm cov atoms ntawm cov chaw nyob sib ze. Cov khib nyiab no qee zaum hu ua network solids vim yog kev sib cuam tshuam network ntawm covalent bonds extending thoob plaws hauv lub siv lead ua nyob rau hauv tag nrho cov lus qhia.
Ib tug kuj yuav nug, puas yog cov dej khov siv lead ua covalent? Txhua carbon atom ua rau ib leeg covalent daim ntawv cog lus hauv tetrahedral geometry. Ib co molecular siv lead ua , zoo li dej khov , muaj cov molecules tuav ua ke los ntawm hydrogen bonds. Thaum ib qho ntawm cov roj cua txias txias thiab khov kho, cov ntsiab lus lattice yog ib tus neeg atoms ntau dua li cov molecules.
Tom qab ntawd, ib tug kuj nug, yog Quartz molecular siv lead ua?
Raws li tau piav qhia hauv tshooj Tshuaj Cov khoom ntawm silicon oxygen daim ntawv cog lus yog polar thiab covalent thiab tsis ionic. Ib tus neeg silicon thiab oxygen atoms tsis tuaj yeem txav mus los hauv lub siv lead ua . Yog li quartz hais tias muaj cov qauv macromolecular. Ib qho zoo tagnrho quartz siv lead ua yog ib tug loj molecule.
Puas yog SiO2 yog covalent siv lead ua?
Silicon dioxide : SiO Silicon dioxide tseem hu ua silica lossis silicon (IV) oxide muaj peb qhov sib txawv siv lead ua daim ntawv. Muaj zog heev silicon-oxygen covalent bonds yuav tsum tau tawg thoob plaws hauv cov qauv ua ntej melting tshwm sim. Morevoer, nws nyuaj vim qhov yuav tsum tau tawg lub zog heev covalent daim ntawv cog lus.
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