1. Which is stronger-the convalent bond that holds atoms together in the molecule or the electrical attraction between two neighboring molecule?explain why
2. Which is more polar -(S-BR) bond or (Se-Cl) bond? why?
3. What is the atoms souce of electronegativity?why?
4.What drives an atom to form a convalent bond: its nuclear charge or or the need to have it fill the outer shell?