The oxide MnO2 is a solid; I suppose that the oxide Mn2O2 doesn't exist,if it is then it must be a solid due to presence of metal Manganese.
Liquid
A solid.
a feather is a solid
A pencil is a solid object.
Another name for a solid in a solid, is an ALLOY. An ALLOY is a METAL mixed (NOT combined), with another solid, be it metal or non-metal. Steel is an ALLOY of Iron(metal), can Carbon(non-metal) ; A solid in a Solid.
Bricks are gaseous.
What is the state at room temperature for Niobium?It's a solid!
solid particols
A solid is not a solid when you change the shape and becomes different.
No. A solid-solid solution is called an alloy.
it is a solid
This is called an alloy (homogeneous solid-solid solution)