ElectricIce
Electric and Ice types: weaknesses, resistances and Pokémon
Electric and Ice Pokémon take double damage from Fire, Fighting, Ground and Rock moves and resist Electric, Ice and Flying moves.
The balance is even: 4 weaknesses and 3 resistances or immunities.
Electric moves are super effective against Water and Flying and not very effective against Grass, Electric and Dragon. Ice moves are super effective against Grass, Ground, Flying and Dragon and not very effective against Fire, Water, Ice and Steel.
To beat these Pokémon, your best pick is Fire, Fighting and Ground moves. Avoid Electric, Ice and Flying moves, which deal little or no damage.
There is 1 Pokémon with this combination, such as Arctozolt.