How can atoms complete their valence shell?

The atoms which have 5 to seven electrons in outermost shell accept the electrons , which have one to three, donate the electrons and which have four share the electrons for the completion of valence shell , some atoms also complete the valence shell by coordinate covalent bonding. More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.