Onix is a Rock/Ground type Pokemon.
Yes, and Onix is a dual-type Pokemon. Along with being a Rock-type Pokemon, it's also a Ground-type.
Rock. -Geodude -Onix -Cranidos Geodude is a Rock/Ground Type, as is Onix. Cranidos is a pure Rock type.
It is a Rock and Ground type Pokemon.
Onix is #95 in the national pokedex, and it is a Rock-Ground type Pokemon.
With Water-type or Flying-type
Ground type Pokemon like Sanshrew and Onix (Onix is half rock, half ground, like a Geodude)
Onix evolves into Steelix when it is holding a Metal Coat and traded to someone else.
Probably onix but all ground type can
If you mean,, what onix evolves into,, it's steelix,, but the is no Pokemon that evolves into onix
Onix's final evolution is Steelix, the Steel/Ground-type Pokemon. It can evolve only by trading Onix to another player, while holding a Metal Coat, or Steelix can be found in certain areas in the right game version.
onix evole from gedude
onix is the strongest