YOU NEED TO BE MORE SPECIFIC! which type of Pokemon do you want to know about?
Here are a few:
Normal is weak against fighting/ghost
Fire is weak against water/ground
Water is weak against grass/electric
Grass is weak against flying/fire
Flying is weak against electric/ice
Ground is weak against grass/water/steel
Fighting is weak against psychic/flying
Ice is weak against fire
Electric is weak against ground
Psychic is weak against psychic
There are 17 elements total, not all of them are listed above
fire is Mr mimes weakness
guys i think pysic pokemons had weakness to normal type normal Pokemon have a weakness to physic Pokemon Kulmblach789 Pysic Poke have a weakness to dark ATks
spiritomb it has no weakness
Electric Pokemon are weak to only Ground Pokemon.
only ground types
Dark Pokemon are Psychic Pokemon's weakness.
The weakness of electric type Pokemon is ground type Pokemon.
Rock Pokemon's weakness is water types so in the game choose the water starter
its only weakness is dragon
The weakness of flying type Pokemon is Ice, Electric and Rock.
there weakness is Grass,water and rock
Ground is electrics only weakness.
As of Generation 5 only the pokemon Spiritomb has no weakness because of the dual-type Ghost/Dark.
The weakness of Mightena is Fighting And Bug types Pokemon!!
It's only proper weakness is dragon type moves
Water and grass
A dragon type's weakness is, believe it or not, is dragon type.