Cov txheej txheem:
Video: Dab tsi yog cov yam ntxwv ntawm cov hlau nyob rau hauv lub sij hawm?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lawv yog cov khoom (tshwj tsis yog mercury, Hg, kua). Lawv ci ntsa iab, zoo conductors ntawm hluav taws xob thiab cua sov. Lawv yog ductile (lawv tuaj yeem kos rau hauv cov xov hlau nyias). Lawv yog tuaj yeem (lawv tuaj yeem yooj yim hammered rau hauv cov ntawv nyias nyias).
Ntxiv mus, cov khoom ntawm cov hlau yog dab tsi?
Lub cev Cov Khoom Ntawm Cov Hlau Hlau yog lustrous, malleable, ductile, zoo conductors ntawm tshav kub thiab hluav taws xob. Lwm yam khoom suav nrog: Xeev: Hlau yog cov khib nyiab ntawm chav tsev kub tshwj tsis yog cov mercury, uas yog kua ntawm chav tsev kub (Gallium yog kua rau hnub kub).
Tsis tas li ntawd, 10 yam khoom ntawm hlau yog dab tsi? 10 PHAU NTAWV QHIA TXOG HUAB TAIS
- Cov hlau yog malleable: - Tag nrho cov hlau tuaj yeem raug ntaus rau hauv cov ntawv nyias nrog rauj xws li. kub, nyiaj aluminium thiab lwm yam.
- Cov hlau yog ductile: - Cov hlau tuaj yeem ncab mus rau hauv cov xov hlau nyias.
- Cov hlau yog cov khoom siv hluav taws xob zoo ntawm cov cua sov thiab hluav taws xob: - Tag nrho cov hlau yog cov khoom siv hluav taws xob zoo.
Raws li txoj cai, 7 lub zog ntawm cov hlau yog dab tsi?
Hlau Physical Properties:
- Lustrous (shiny)
- Zoo conductors ntawm tshav kub thiab hluav taws xob.
- Siab melting point.
- High ceev (hnyav rau lawv qhov loj me)
- Malleable (yuav tau hammered)
- Ductile (tuaj yeem kos rau hauv cov xov hlau)
- Feem ntau yog khoom ntawm chav tsev kub (qhov tshwj xeeb yog mercury)
- Opaque raws li ib daim ntawv nyias (tsis pom los ntawm cov hlau)
Nyob qhov twg cov hlau nyob rau hauv lub sij hawm?
Hlau nyob rau sab laug ntawm lub daim ntawv qhia hnub , thiab nonmetals nyob rau sab xis sab xis. Lawv raug cais los ntawm kab pheeb ces kaum ntawm semimetals.
Pom zoo:
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