How many gas planets are there?

1 million

Technically, all of them since they formed out of our solar nebula. Some have a higher content of light gas materials than others notably Jupiter, Saturn, Uranus, and Neptune.

There are 4 planets that are considered the "Gas Giants." Jupiter, Saturn, Uranus, and Neptune. Uranus and Neptune are also called the "Ice Giants." All of the planets have gases in their...

Four. Jupiter, Saturn, Uranus, and Neptune.

4 planets in the solar system are gases. They are Jupiter, Saturn, Uranus, and Neptune.