Electric-type Pokémon

Pure Electric-types

Strong against Electric, Flying and Steel attacks; weak against Ground attacks
Pikachu
Raichu
Magnemite
Magneton
Note: In G/S, Magnemite and Magneton are Electric/Steel-types
Voltorb
Electrode
Electabuzz
Jolteon
Pichu
Mareep
Flaaffy
Ampharos
Elekid
Raikou

Electric/Flying-types

Immune to Ground attacks; strong against Bug, Fighting, Flying, Grass and Steel attacks; weak against Ice and Rock attacks
Zapdos

Electric/Steel-types

Immune to Poison attacks; strong against Bug, Dark, Dragon, Electric, Flying, Ghost, Grass, Ice, Normal, Psychic, Rock and Steel attacks; weak against Fighting, Fire and Ground attacks
Magnemite
Magneton
Note: In Red, Yellow and Blue Versions, Magnemite and Magneton are pure Electric-types

Water/Electric-types

Strong against Fire, Flying, Ice, Steel and Water attacks; weak against Grass and Ground attacks
Chinchou
Lanturn