Metals thiab Nonmetals Cov ntsiab lus muaj cov cim nonmetallic nce ntxiv raws li ib tus nyeem los ntawm sab laug mus rau sab xis hla lub rooj. Raws li cov kauj ruam kauj ruam yog cov metalloids, uas muaj cov khoom ntawm cov hlau thiab nonmetals. Cov nonmetals yog nyob ntawm rau sab xis ntawmtus stair-step kab ntawm lub rooj ntu ntu.
Staircase nyob rau hauv lub rooj zaum yog dab tsi?
Nyob rau ntawm lub rooj zaum, cov ntsiab lus xim daj, uas feem ntau ciam teb rau cov kauj ruam-kauj ruam, suav tias yog metalloids. Daim ntawv ceeb toom tias txhuas ciam teb rau txoj kab, tab sis nws raug suav tias yog hlau vim tias tag nrho nws cov khoom zoo li cov hlau.
Nonmetalloids 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 rau sab xis ntawm kab, thiab cov khoom tam sim ntawd nyob ib sab mus rau kab yog cov metalloids.
Tsuas yog hlau kov tus ntaiv?
Dab tsi yog qhov hlau kov tus ntaiv? Polonium yog hlau thiab tsis muaj astatine txaus los qhia tiag tiag, tab sis nws tsis suav nrog cov metalloids. Aluminium yog nyob rau hauv lub stair-step kab, tab sis yog ib tug heev hlau. Cov metalloids (aka semi-metals) yog B, Si, Ge, As, Sb, thiab Te.
Zigzag ntawm lub rooj zaum yog dab tsi?
Metalloids - pom raws cov kab zigzag ntawm lub rooj zaum.
