Cov pab pawg twg ntawm cov ntsiab lus tsuas muaj tsis yog hlau?
Cov pab pawg twg ntawm cov ntsiab lus tsuas muaj tsis yog hlau?

Video: Cov pab pawg twg ntawm cov ntsiab lus tsuas muaj tsis yog hlau?

Video: Cov pab pawg twg ntawm cov ntsiab lus tsuas muaj tsis yog hlau?
Video: Plab Plab Ntswg..(Pluav Pluav Ntswg) Maiv Twm New Song 2023-2024 2024, Kaum ib hlis
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Kev piav qhia: Pab pawg VIIA yog tsuas yog pab pawg nyob rau hauv periodic table nyob rau hauv uas tag nrho cov cov ntsiab lus yog nonmetals . Qhov no pab pawg muaj F, Cl, Br, Kuv thiab At. Lwm lub npe ntawm qhov no pab pawg yog halogen uas txhais tau tias cov khoom siv ntsev.

Tsis tas li ntawd, pab pawg twg hauv lub rooj zaum muaj tsuas yog nonmetals?

Pawg 13–16: kuv periodic tablecontain ib lossis ntau dua metalloids, ntxiv rau cov hlau, nonmetals , los yog ob leeg. Pab pawg 13 hu ua boron pab pawg , thiab boron yog tus nkaus xwb metalloid hauv qhov no pab pawg . Lwm tus pab pawg 13 lub ntsiab yog hlau.

Ib sab saum toj no, pab pawg twg muaj cov hlau tsis muaj hlau ntau tshaj plaws? (a) Lub Sijhawm 2 muaj tus naj npawb ntau tshaj ofnon - hlau . (b) Lawv lub npe yog boron, carbon, nitrogen, oxygen, fluorine, thiab neon. 5. (a) Pab pawg 2 muaj tus lej siab tshaj ntawm cov tsis - hlau (cov noblegases).

Ib yam li ntawd, pawg twg tsis yog hlau?

Cov tsis yog - hlau los yog tsis yog - nws yog xim hlau cov ntsiab lus; hydrogen (H), carbon (C), nitrogen (N), oxygen (O), phosphorus (P), sulfur (sulfer) (S), selenium (Se), (Uuo tej zaum yuav muaj nyob ntawm no) thiab cov pa roj carbon monoxide tsim muaj pes tsawg leeg. me me pab pawg nrog ib kauj ruam zoo li tus qauv mus rau sab laug sab ntawm lub rooj zaum (hydrogen ua tus oddone

Dab tsi yog 22 tsis yog hlau?

Tawm ntawm 22 nre - hlau 10 tsis yog - hlau yog cov khoom 8 (xws li carbon, Sulfur thiab phosphorous), 11 tsis yog - hlau yog gases (xws li hydrogen, nitrogen, oxygen thiab chlorine), tab sis tsuas yog ib qho tsis yog - hlau (bromine) yog kua tsis yog - hlau.

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