Dab tsi yog hu ua metalloid?
Dab tsi yog hu ua metalloid?

Video: Dab tsi yog hu ua metalloid?

Video: Dab tsi yog hu ua metalloid?
Video: hn tuaj dab tsi 2024, Kaum ib hlis
Anonim

A metalloid yog ib lub caij uas muaj cov khoom uas yog nruab nrab ntawm cov hlau thiab nonmetals. Metalloids tuaj yeem yog hu ua semimetals. Nyob rau lub sij hawm lub sij hawm, cov ntsiab lus xim daj, uas feem ntau ciam teb rau stair-step kab, suav hais tias yog metalloids.

Yog li ntawd, uas yog metalloid?

Cov metalloids ; boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) thiab astatine (At) yog cov ntsiab lus pom nyob rau hauv cov kauj ruam zoo li kab ntawm cov hlau. thiab non-metals ntawm lub sij hawm. Metalloids muaj cov khoom ntawm cov hlau thiab tsis yog hlau.

Kuj Paub, vim li cas lawv hu ua metalloids? Tsis zoo li lwm tsev neeg ntawm cov ntsiab lus xws li cov pa roj, alkali hlau, thiab halogens, lub metalloids tsim ib kab kab pheeb ces kaum ntawm lub rooj zaum tsis yog kab ntsug. Antimony thiab tellurium feem ntau yog siv hauv cov hlau alloys. Tellurium tau txais nws lub npe los ntawm lo lus Latin "tellus" uas txhais tau tias "lub ntiaj teb."

Thiab cov lus nug yog, dab tsi yog metalloid thiab piv txwv?

Txhais rau metalloids : cov khoom nrog cov khoom nruab nrab ntawm cov hlau thiab nonmetals. Boron, silicon, germanium, arsenic, antimony, tellurium, thiab polonium yog metalloids . Metalloids zoo li semiconductors; silicon yog qhov zoo tshaj plaws paub piv txwv ntawm ib tug semiconductor.

Lwm lub npe rau metalloid yog dab tsi?

Boron, silicon, germanium, arsenic, antimony, thiab tellurium feem ntau lees paub tias yog metalloids . Nyob ntawm tus kws sau ntawv, ib lossis ntau dua los ntawm selenium, polonium, lossis astatine qee zaum ntxiv rau hauv daim ntawv. Boron qee zaum raug cais tawm, los ntawm nws tus kheej, lossis nrog silicon. Qee zaum tellurium tsis suav tias yog ib qho metalloid.

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