Metalloids dag ntawm ob sab ntawm txoj kab sib faib ntawm cov hlau thiab nonmetals. Qhov no tuaj yeem pom, hauv ntau qhov kev teeb tsa, ntawm qee lub sijhawm teem sijhawm. Cov ntsiab lus nyob rau sab laug ntawm kab feem ntau qhia txog kev coj tus cwj pwm hlau; cov ntsiab lus rau sab xis sab xis tso saib ua rau cov cwj pwm tsis yog xim hlau.
Cov metalloids nyob qhov twg ntawm lub rooj zaum?
Cov hlau yog rau sab laug ntawm kab (tshwj tsis yog hydrogen, uas yog nonmetal), cov nonmetals yog nyob rau sab xis ntawm kab, thiab cov ntsiab tam sim ntawd nyob ib sab ntawm kab yog cov metalloids.
Cov metalloids pom nyob qhov twg ntawm cov lus nug lub sijhawm?
Metalloids muaj nyob rau hauv Pob 13 txog 17 ntawm lub sijhawm teem sijhawm.
Vim li cas metalloids pom ntawm lub rooj zaum?
Tam sim no feem ntau ntawm 100 ntawm cov ntsiab lus yog METALS… … Cov ntsiab lus uas yog pea-ntsuab ntsuab hauv xim, boron, silicon, germanium, arsenic, thiab lwm yam yog metalloids. Thiab cov no muaj cov khoom nruab nrab ntawm kev hwm rau cov hlau thiab tsis yog hlau.
Pab pawg twg ntawm lub rooj zaum muaj cov metalloids?
Pab 15 yog ib qho ntawm plaub pawg ntawm lub rooj sib tham uas muaj cov metalloids. Pob 13–16 ntawm lub sijhawm lub sijhawm (txiv kab ntxwv hauv daim duab hauv qab no) yog tib pawg uas muaj cov ntsiab lus cais raws li metalloids.