I only remember one and that is electric.Whatever type the move shadow ball is can't effect them. et
and ice
ground type
A dragon type's weakness is, believe it or not, is dragon type.
The only weakness there is a Ground-type Pokémon.
As A Fly
The weakness of electric type Pokemon is ground type Pokemon.
The weakness of flying type Pokemon is Ice, Electric and Rock.
Dark type
well its main weakness its normal type attacks.
For some reason one weakness it has is fighting type attacks
flying type or a ground type
Fighting Type
ground type