This attraction pulls the atoms together and the electrons are shared by both atoms. The atoms bond because there is a strong enough attraction in both directions and room for the electrons in the ...

Covalent bonding forms molecules ... how to approach exam questions helps to boost exam performance. Question types will include multiple choice, structured, mathematical and practical questions.

COFs are crystalline, porous polymers constructed by organic molecules through strong covalent bonds. COFs have numerous ... Sp²c-COFs are a special type of COF that integrates sp² carbons ...