As pressure waves.
Solid
Magnesium is a solid
Polonium is considered as a solid.
liqiud solid and gas
Solid
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
A medium. Gas, liquid or solid. It can't travel in a vacuum.
yes
Yes sound can travel in liquid, its speed is lesser than that in solid and more than that of gas.