At room temperature radium is a solid metal.
Radium is a solid, radioactive, alkaline earth metal.
At room temperature and pressure radium is a solid metal.
Radium is a solid, radon is a gas. Both are radioactive.
Radium is a solid alkaline earth metal at room temperature.
At room temperature radium is a solid metal.
Radium is a solid, radioactive, alkaline earth metal.
Radium is a solid alkaline earth metal.
Radium is a solid in standard temperature and pressure.
At room temperature and pressure radium is a solid metal.
Radium is a solid, radon is a gas. Both are radioactive.
Radium is a solid alkaline earth metal at room temperature.
Radium is a natural chemical element, solid, alkaline earth metal.
At room temperature and pressure radium is a solid metal.
Radium is a solid alkaline earth metal at room temperature.
Polonium and radium are natural chemical elements, metals, solid, very radioactive.
Radium is a solid alkaline earth metal at room temperature.