Level up an Eevee with a high friendship in nighttime.
You get an Eevee from Bill
It is Umbereon and a trainer has it somewhere in Rt.212
Max out it's happiness( vitamins, having it walk with you, contests? And just plain ol' training) and level it at night time. I think it's between 6pm and 6am
Pokemon cannot learn Yawn in Pokemon Silver.
you can get celebi from a Pokemon silver event
Lugia
its the silver apercorn in Pokemon silver and its the gold apercorn in Pokemon gold
You can't find Mew in Pokemon Silver.
How do you get to goldenrod city in pokemon silver?
there isn't venasaur in Pokemon silver you have to trade it
Pokemon in Pokemon Silver can only be traded to other copies of Silver, or Pokemon Gold, or Pokemon Crystal.
Soul Silver will, but the original GBC Silver cannot.
There are 100 new pokemon in pokemon silver that weren't in blue and red. Although,the original pokemon are still in silver, bringing the total amount of available pokemon in your pokedex up to 251. So, you can catch 251 pokemon in the silver version for gameboy.