sorry, you can only trade it, along with articuno and moltres, from FR/LG or you use a cheat box
After you get 10 emerald fragments you can combine it in the pokemon lab and then you put it on your first pokemon in your party and u can catch zapados (I don't know where zapados is)
You cannot catch a Stantler in Firered get one from Pokemon emerald or Pokemon colosseum.
There is no exact place, where it is changes. Look for the rain is all I can say.
Zapados is located for capture at the Kanto Powerplant.
You can not
You can not
Yes
He is outside the power plant
yes it is but you must evolve it form wailmer which you can find on route 124 yes you can find it near the Pokemon league.
you can not cach one in soulsilver. only in dimend and perl.
To obtain a Ditto in Pokemon Ruby or Sapphire, you must trade with Pokemon Emerald, where you can find it in the Desert Underpass, or you can trade it with any games from either Generation I or Generation II. - Badminton
some power plant that you have to surf to get to.