Rocks,ice,and gas
All planets with solid surfaces have craters.
Yes. They are the terrestrial planets.
YES.
They all have solid, rocky surfaces.
There is no particular reason why the outer planets are gas and the inner planets are rock, but the outer planets have icy cores because they are all far away from the sun.
They are all compact objects with rocky, accessible surfaces.
the inner planets (Mercury, Venus, Earth, Mars) all have rocky solid surfaces. The outer planets (Jupiter, Saturn, Uranus, Neptune) all have gaseous atmospheres and liquid surfaces. Pluto is very dense and has a rocky surface.
They are Mercury, Venuse, Earth and Mars: together these comprise the inner planet or terrestrial planets.
The inner planets' surface materials differ from the outer planets because the inner planets have rocky surfaces and the outer planets have gas surfaces.
All the planets after the asteroid belt except for Pluto and Charon. (Saturn, Jupiter, Uranus, neptune)
terrestrial planets
the inner planets have rocky surfaces