A planet is defined as any celestial body which has enough matter to form itself into a sphere (or spheroid), but without enough mass to begin nuclear reactions. This definition has no relation to...
Jupiter is called a gas planet
Here is a list of the gas giants. 1 is largest, 2 is 2nd largest and so on. Jupiter Saturn Neptune Uranus
Mercury, Mars, Venus, the Earth
the inner planets are terrestial and outer planet like Jupiter, Neptune etc are gas planet.