Planetary scientists call those elements with melting point below 100 degrees kelvin gases—independent of the actual phase the matter is in. Those with low melting point, but not so low as gases, are referred to—again by planetary scientists—as ices, though whether or not the material is actually an ice also depends on the actual temperature. That is why Jupiter and Saturn are called gas giants, while Uranus and Neptune are sometimes called ice giants. In both cases, the interior is actually a hot, dense fluid.
Planetary scientists are clearly assholes.
