No
No, electro ball can only be found in pokemon black and white so far.
Celebi isn't available in Pokemon Black and White. You have to transfer it into Pokemon Black and White or trade for one.
Gothita is only available in Pokemon Black
no
It can only be found in White Forest which is only available in Pokemon White. But you transfer it to Pokemon Black or trade for one.
Shaymin is not available in Pokémon Black or White.
You can only find a Magma Stone in Pokemon Black 2, White 2, Pokemon Diamond, Pearl, and Platinum. It is not available in Pokemon Black and White.
Misdreavus is located in the Fertility shrine in Pokemon White, but not available in Pokemon Black. Actually, it is called the Adundant Shrine.
Pokemon Black Version and Pokemon White Version are the same game, except for the pokemon that are available to catch and for certain areas.
You would need to trade for them from Pokemon Black or White, for they are not available in Pokemon Black 2.
Tornadus is only available on Black.
April