Respuesta :

Answer:

Halogens are non metals and require one electron to achieve noble gas configuration, and so their valency is one as they gain one electron.

Explanation:

Answer:

hsihe eie sis s8s sossis sis sis s8e s8s sis us sus sud dud d8d dis is eid did die did due idd id did did dud dud dh

Explanation:

I'm stubborn and hold grudges so I did it back :l

ACCESS MORE