There are 26 legendary Pokemon in Pokemon black/white version.
9 excluding reshiram and future event Pokemon
in unova, about 7 legandary pokemon. in total, about 28.
There is no legendary Pokemon in Undella Bay.
there is no "white" legendary in pokemon white. its black ( and called zecrom) and in the top floor of N's castle and then after u VS N
There are many legendary POKEMON in black and white ZEKROM and REGISAM
Zekrom.
White Kyurem
It's not possible, legendary Pokemon cant be bred.
on pokemon black version u get the legendary pokemon reshiram!(sry if its spelt wrong) and in white u get zekrom! u get the legendary after u defet the pokemon ledge.
No.
no