they are completely different
Solid
Magnesium is a solid
Polonium is considered as a solid.
liqiud solid and gas
Beryllium is a solid metal at room temperature.
Astatine is an unstable solid at room temperature.
solid,liqiud,gas
its a solid it goes from sold to gas
You must melt the solid with heat
Uranium is a solid metal at room temperature.
This phasechange is called as melting.
As pressure waves.