No.
The 7th gym leader in Pokemon yellow is in Cinnebar Island, which is south of Pallet Town. You need a Pokemon with Surf to get there.
you need to go inside the lighthouse, go up the elevator, and talk to the special looking man in blue. (gymleader) he will return to his gym afterwards
You can't be a gym leader in any of the pokemon games, you can jusr beat them and earn the badges you need to complete the elite 4
you need a physic type
you need to beat a gym leader .
he is in the gym believe it or not, you just need the key found in the Pokemon mansion.
you need the 2nd badge, from the bug gym leader, which is from the gym in azalea town.
u need to push the snowballs around and find a path to her like to pryce the seventh gym leader in pokemon soulsilver and heartgold
The water Pokemon gym leader is in Pastoria City.
The Fifth Gym in Pokémon Pearl is the Ghost Gym so use Dark-type moves.
you need to read the books. what pokemon does he use?? answer? the book about that pokemon.
were is the fifth gym leader