They want to create new chemical compounds.
They want full electron shells.
Because it's nature.
Nitrogen needs 6, Chlorine needs 3
Nitrogen needs 3, Chlorine needs 2
Nitrogen needs 3, Chlorine needs 1
Sulphur and Oxygen bond to create SO2.
Nitrogen and Nitrogen bond to create N3.
Oxygen and Oxygen bond to create O2.
There will be no chemical formula.
Here's an interesting quiz for you.