Video: Qhov twg zoo dua crystalline lossis amorphous?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Crystalline yog ntau zog tshaj amorphous . Cov khoom yog tus cwj pwm los ntawm kev ncua peb-dimensional kev npaj ntawm atoms, ions, los yog molecules uas cov khoom feem ntau raug kaw rau hauv lawv txoj haujlwm. Crystalline Cov khib nyiab muaj cov npoo zoo thiab lub ntsej muag, diffract x-rays, thiab zoo li muaj cov ntsiab lus melting ntse.
Tsis tas li ntawd paub, puas yog cov khib nyiab ntau dua amorphous lossis crystalline?
Yog ib amorphous khoom khaws cia ntawm qhov kub thiab txias qis dua nws qhov melting point rau lub sijhawm ntev, cov khoom molecules, atoms, lossis ions tuaj yeem maj mam rov qab mus rau hauv ntau txiav txim siab heev crystalline daim ntawv. Crystals muaj ntse, zoo-txhais cov ntsiab lus melting; amorphous khoom tsis txhob.
Ib yam li ntawd, vim li cas amorphous daim ntawv yog soluble ntau dua li crystalline? Crystalline cov lattice zog loj dua tshaj amorphous khov kho. Thaum Dissolution zog (los yog lub zog daws teeb meem) loj dua tshaj lub lattice zog, cov qauv khoom yuav tsum tau yaj mus rau hauv kev daws.
Ntawm no, qhov txawv ntawm crystalline thiab amorphous yog dab tsi?
Crystalline Cov khib nyiab muaj cov duab meej nrog cov txheej txheem ions, molecules lossis atoms hauv a peb-dimensional qauv feem ntau hu ua siv lead ua lattice. Crystalline Cheebtsam yog tuav ua ke los ntawm uniform intermolecular rog whereas nyob rau hauv amorphous solids cov rog no txawv ntawm ib lub atom mus rau lwm qhov.
Puas yog crystalline lossis amorphous ntom dua?
Yog tus ceev ntawm ib amorphous cov ntaub ntawv ib txwm qis dua nws crystalline theem? Feem ntau cov crystalline theem ntawm qhov teeb meem muaj ntau dua ceev piv rau nws lub xeev ua kua (thiab yog li ntawd cov khoom theem dab dej hauv nws cov kua).
Pom zoo:
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Dab tsi yog qhov txawv ntawm amorphous thiab crystalline?
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Koj yuav ua li cas thiaj paub tias kev sib raug zoo yog qhov zoo lossis tsis zoo?
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