Poison types are the only Pokemon that can't be poisoned. All there is to it
Steel and other poison types are not effected by poison.
arbok or any poison type in general are super affected to ground type Pokemon
double damage: ground, psychichalf damage: grass, fighting, poison, bugOthers all normal damage.
Poison is very effective against grass pokemon.
ground and physic Pokemon are super effective against poison Pokemon
Crobat is a Poison and Flying type pokemon.
Roselia is a Grass and Poison type pokemon.
psychic is weak to poison
If it is a girl, Nidoran will evolve into Nidorina at level 16, which then evolves into Nidoqueen by a moon stone. If it is a boy, Nidoran will evolve into Nidorino at level 16 which evolves itno Nidoking by moon stone.
The three Pokemon that are a Poison/Ghost Type are Gastly, Haunter, and Gengar that are in Pokemon Blue.
first you ask the game director why doesnt he create more poison pokemon and poison gym leaders. then arbok,roserade,drapion,crobat,swalot and scolipede will apear in the swamp zone. HA HA , JUST kidding , but true. THE REAL ANSWER; befriend all the pokemon then type in the password section "regional" then other various pokemon should appear.
Skorupi is a Poison/Bug-type Pokemon.