Cov ntsiab lus halogen yog fluorine (F), chlorine (Cl) , bromine (Br), iodine (I), astatine astatine Astatine yog cov khoom siv tshuaj nrog lub cim ntawm thiab atomic tooj 85. Muaj ntau ntawm lawv tau kwv yees raws li lub ntsiab ntawm lub sij hawm lub sij hawm raws li ib tug hnyav analogue ntawm iodine, thiab ib tug tus tswv cuab ntawm halogens (cov pab pawg ntawm cov ntsiab lus suav nrog fluorine., chlorine, bromine, thiab iodine). … https://en.wikipedia.org › wiki › Astatine
Astatine - Wikipedia
(At), thiab tennessine (Ts).
2 piv txwv ntawm halogens yog dab tsi?
Cov halogens suav nrog fluorine (F), chlorine (Cl), bromine (Br), iodine (I), thiab astatine (At).
7 halogens yog dab tsi?
Pab pawg 7A (lossis VIIA) ntawm lub sijhawm lub sijhawm yog cov halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), thiab astatine (At) Lub npe "halogen" txhais tau tias "kub qub", muab los ntawm Greek lo lus halo- (" ntsev") thiab -gen ("kev tsim").
Halogen yog dab tsi?
Ib halogen yog cov tshuaj uas tsim cov ntsev thaum nws hnov mob nrog hlau…, thiab astatin. Cov halogens yog tag nrho cov reactive heev, uas txhais tau hais tias lawv ceev nrooj tsim cov ntawv cog lus nrog lwm cov ntsiab lus.
Npauj npaim lub npe yog dab tsi nyob rau lub sijhawm 5?
Lub sijhawm thib tsib muaj 18 lub ntsiab lus, pib nrog rubidium thiab xaus nrog xenon.
