SC Heerenveen

Halogens rukuni ne a cikin tebur na lokaci-lokaci wanda ya ƙunshi abubuwa shida masu alaƙa da sinadarai: fluorine (F), chlorine (Cl), bromine (Br), aidin (I), da abubuwan radioactive astatine (At) da kuma tennessine (Ts), ko da yake wasu marubuta[4] za su cire tennessine saboda ba a san sinadarin sa ba kuma ana sa ran zai zama kamar na gallium. A cikin tsarin IUPAC na zamani, ana kiran wannan rukuni da rukuni 17.https://www.ecmi.de/infochannel/detail/ecmi-minorities-blognational-and-linguistic-minorities-in-the-context-of-professional-football-across-europe-five-examples-from-non-kin-state-situations

 Nazari