all of them
you have to trade from red blue or yellow. zapdos is not catchable in Pokemon silver.
They are not in Pokemon Gold and Silver. However, they are catchable in the remakes of Gold and Silver, HeartGold and SoulSilver.
look on bulbapedia numbers 152-251 national dex
Use the master ball you get from profe elm
you don't need the master ball for any Pokemon but i would save it for ho-oh lv 70
The Pokeathlon isn't in Pokemon Silver version.
Yes. But only a few such as Starly, Budew, Bidoof eg...
If you mean pokemon silver for gbc an pokemon black for ds then you can't sorry
you cant get two master ball's in silver
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.
snorlax
well it is a remake of Pokemon gold version there is also a Pokemon pure silver version