Question #da4bd

2 Answers
Jan 20, 2018

See below

Explanation:

The element that you describes with the electronic configuration has a total of 17 electrons.
So,the atomic number of that element is 17.
We know the atomic number of chlorine is 17.
So, it is chlorine.

When chlorine reacts with potassium ,potassium chloride is formed.
The reaction is given below-

K + Cl #-># KCl(potassium chloride)

Jan 20, 2018

Potassium chloride #KCl# is the compound formed.

Explanation:

#Cl# chlorine, which holds the electronic configuration #1s^(2)2s^(2)2p^(6)3s^(2)3p^(5)# in order to reach octet donates one electron from its 7 valence electron with the one that of potassium#K# forming the ionic bond, therefore forming into potasssium chloride#KCl#.

A metal and a halogen forming into metal-halide.