Dab tsi yog 4 halogens hu ua?
Dab tsi yog 4 halogens hu ua?

Video: Dab tsi yog 4 halogens hu ua?

Video: Dab tsi yog 4 halogens hu ua?
Video: Ua Dab Tsi Txhaum Koj - David Yang (New Song 2021) 2024, Lub peb hlis ntuj
Anonim

Cov halogen Cov ntsiab lus yog fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), thiab tennessine (Ts).

Ib yam li ntawd, koj tuaj yeem nug, lub npe ntawm 4th halogen yog dab tsi?

Halogens ntawm sab xis Nyob rau hauv kab thib ob los ntawm sab xis ntawm lub sij hawm lub sij hawm, koj yuav pom Pawg Xya (Group XVII). Kab no yog lub tsev ntawm halogen tsev neeg ntawm cov ntsiab lus . Leej twg nyob hauv tsev neeg no? Cov cov ntsiab lus suav nrog tshuaj fluorine (F), tshuaj chlorine (Cl), bromine (Br), iodine (I), thiab astatin (Ntawm).

halogens tau txais lawv lub npe li cas? Lub npe halogen los ntawm tus Greek lo lus "hals", txhais tau tias "ntsev", thiab "gen", txhais tau tias "ua." Fluorine yog suav tias yog ib qho ntawm tus feem ntau cov ntsiab lus reactive hauv muaj nyob. Yooj yim sib xyaw uas muaj halogens hu ua halides.

Ib yam li ntawd, daim ntawv twg halogens feem ntau tuaj hauv?

Pawg ntawm halogens yog tib pawg lus lub sijhawm uas muaj cov ntsiab lus hauv peb lub xeev tseem ceeb ntawm cov teeb meem ntawm tus qauv kub thiab siab. Tag nrho cov halogens daim ntawv acids thaum sib txuas rau hydrogen. Feem ntau halogens yog feem ntau ua los ntawm cov zaub mov los yog ntsev.

Lub npe halogen txhais li cas?

HALOGENS : Pawg 7 ntawm lub sij hawm ntawm cov ntsiab lus, suav nrog fluorine, chlorine, bromine, iodine, thiab astatine. Cov halogens yog diatomic, thiab zoo li tsim ntsev; li no lawv npe , uas los ntawm ob lo lus Greek lub ntsiab lus "ntse-forming."

Pom zoo: