Yes. It is a solid figure that is bounded by polygonal faces.
It is still a polyhedron. It may or may not still be a prism.
yes
Yes, a trapezoidal prism is a polyhedron. A polyhedron is a solid three dimensional object with flat face, straight edges and sharp corners.
the names of them are semiregular polyhedron
Yes, it is.
yes
Yes.
yes it is
Yes.
no
Yes.
Yes