Chemistry ! reasons why nonmetals form covalent bonds?

Okay thanks for reminding me

Non metals attain stability when they attain nobility .i. e. Fully filled outer shell. In order to achieve that, they undergo covalent bonding by sharing of electrons. Metals on the other hand have free electrons in their valence bands unlike non metals, they dont preferably require covalent bonding.

Idont know. if you want an answer you need to give us some context dude.

That is a lot of moles that you have