Question

what are hallagens? write the electronic configuration of chlorine
​

Answer 1

Answer:

The halogens all have the general electron configuration ns 2 np 5 , giving them seven valence electrons. They are one electron short of having the full outer s and p sublevel, which makes them very reactive

Explanation:

hope its helpful to you

Answer 2

Answer:

The halogens are a group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine (I), and astatine. The artificially created element 117, tennessine, may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17.

open the attachment to see the electronic configuration of chlorine