arbok or any poison type in general are super affected to ground type Pokemon
spell arbok backwards and it spells kobra that's what arbok is do the same with ekans and obviously you will find its a snake
Poison.
Arbok is #24 in the national pokedex, and it is a Poison type Pokemon.
Arbok is a purple Poison-type cobra (spelled backwards except for the "c") evolved from Ekans (backwards for "snake"). Elite 4 Agatha (the 3rd person, in Yellow version and Pokemon Stadium) uses an Arbok. Team Rocket member Jessie also uses an Arbok for stealing Pokemon.
Arbok doesn't evolve.
Arbok does not evolve.
Arbok cannot evolve
Arbok's weaknesses are Psychic and Ground-type moves. Since Arbok's Defense is lower than Sp. Defense, you should try using physical Psychic or Ground-type moves such as Zen Headbutt, Psycho Cut, Dig, Earthquake, Magnitude, et cetera. Do not use Grass, Poison, Fighting, Bug, or Fairy-type moves for those are its resistances.
arbok doesn't evolve.
It was thought Arbok would evolve into a Seviper but No, Arbok is the last evolution of the ekans evolutionary tree
You can find an Arbok in route 3,4,26,27