Answer to Question #68134 in Astronomy | Astrophysics for DEEPENDRA SINGH

Question

is any substance that is not a solid,not a liquid,not a gass?

Answer 1

Yes.
It is a plasma or neutronium.
A fourth state of matter called a plasma, in which the gas molecules not only separate from one another but break apart into their subatomic components—electrons and ions (in this case, atoms missing electrons).
Neutronium is a proposed name for a substance composed purely of neutrons. This state theorized to exist in the cores of neutron stars.