Nomenclature Definition and 104 Threads

Hey, I was just wondering about naming this compound Lithium and Nitrogen. I know Li has a +1 charge but Nitrogen can have a bunch. How do I know what one to pick. Also my teach has this written for the correct answer (2)Li3N... what is that (2) out there for? Thanks

Trying to known the popularity of some nomenclature between the readers of PF. Please check also the parallel poll in https://www.physicsforums.com/showthread.php?p=242508

How do you distinguish a human gene from a mouse gene by name? How about proteins? Is there a general consensus which says that genes should be italic and proteins non-italic and that human genes/proteins capitalized and mouse gene/proteins non-capitalized?

Which one is the correct systematic name for compund (a), N-hydroxyaniline or N-phenylhydroxylamine ? Also, how should we name compound (b), 2,2-dichloro-1-ethylcycloheptane or 1,1-dichloro-2-ethylcycloheptane ? http://www.angelfire.com/alt2/antiwork