By: Brett Wardlaw
The elements name is Barium and the symbol is Ba. The elements atomic number is 56 and has a mass of 137.327. Barium is in period number 6 and group number 2. This element is an alkaline earth metal. It is a solid and metal.
Barium is used in fireworks to give a green colouration.
Barite is extensively used as a weighing agent in oil well drilling fluids.
Barium is used as a getter, a material that combines with and removes trace gases from vacuum tubes.