Electrode does not learn thunder by leveling up. The only way for it to learn it is by TM. It depends on the game, but it generally can be bought at the department store. Save
Raichu will not learn thunder.... but pikachu can learn it at level 45
It dos'nt learn thunderbolt
Luxio can learn TM25- Thunder.
It learns Thunder at level 58.
it dosent learn thunder but at level 15 it learns thunder shock
Luxray doesn't learn thunder at any level, you have to teach it to him/her with TM 25.
It learns thunder wave at level 4
ampharos does not learn thunder bolt you have to teach it
level 85
Houndoom cannot learn thunder fang by leveling up. He can only learn thunder fang is when you breed a Houndoom and a pokemon that can learn thunder fang example ( Luxray )
In LeafGreen Pikachu learns Thunder at level 41.
Zapdos will learn Thunder on it's on sometime around level 60.