Cov txheej txheem:
- Lub ntsiab lus twg hauv daim ntawv ua cov tshuaj chloride ntawm hom XCl 2?
- Lub ntsiab lus twg yog qhov zoo tshaj plaws tsim cov tshuaj chlorine nrog cov qauv dav dav XCl?
- Lub ntsiab lus twg tuaj yeem tsim cov tshuaj chloride nrog cov qauv dav dav ntawm MCl2?
- Cov tshuaj chloride twg yog cov khoom uas muaj cov ntsiab lus melting siab?
Video: Lub ntsiab lus twg tsim cov tshuaj chloride nrog cov mis xcl?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Yog li ntawd, sodium thaum ua ke nrog cov tshuaj chlorine tuaj yeem tsim tau XCl.
Lub ntsiab lus twg hauv daim ntawv ua cov tshuaj chloride ntawm hom XCl 2?
Element X tsim cov tshuaj chloride nrog cov mis XCl 2, uas yog cov khoom uas muaj cov ntsiab lus melting siab. X feem ntau yuav yog nyob rau hauv tib pab pawg ntawm Lub Sijhawm Table li. (a) Na (b) Mg (c) Al (d) Si. cov lus teb yog Mg.
Lub ntsiab lus twg yog qhov zoo tshaj plaws tsim cov tshuaj chlorine nrog cov qauv dav dav XCl?
Teb: Aluminium. Nyob rau hauv compound ob lub ntsiab yog sib koom electrons los tsim cov tshuaj bonds.
Lub ntsiab lus twg tuaj yeem tsim cov tshuaj chloride nrog cov qauv dav dav ntawm MCl2?
Tus valency ntawm chlorine yog 1. Yog li ntawd, yog lub element M yog tsim cov tshuaj chloride ntawm cov mis MCl2, nws txhais tau hais tias valency ntawm M yog 2. Tsis tas li ntawd, txij li thaum MCl2 compound muaj cov ntsiab lus melting siab, nws txhais tau tias nws yog ib qho ionic compound. Li no M yog hlau thiab belongs rau pawg 2 ntawm lub sij hawm.
Cov tshuaj chloride twg yog cov khoom uas muaj cov ntsiab lus melting siab?
Yog li no, sodium chloride yog cov khoom muaj siab melting point carbon tetrachloride (CCl4), ntawm qhov tod tes, muaj cov uas tsis yog-polar covalent molecular thiab tib lub zog thiab ua haujlwm. ntawm cov molecules yog cov tsis muaj zog van der waals 'force.
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