Part 1 of Essay
is the 14th most common element of the Periodic Table of Elements. It makes up 1/2000th of the crust of the earth. Its atomic number is 56, and its atomic symbol is Ba. The atomic weight of is 137.34. is a silver-colored metal. is in group 2 (or IIa) of the periodic table. It belongs to the alkaline earth group. The ....

Part 2 of Essay
.... is as a getter in vacuum tubes. ’s sulfate is used in paint and in glassmaking. Barite is extensively used as a weighing agent in oilwell drilling fluids. The carbonate has been used as a rat poison, while nitrate and chlorate give colors in pyrotechny. The impure sulfide of radiantly glows after exposure to the light. metal has few practical applications, although it is sometimes used in coating electrical conductors in electronic apparatus and in automobile ignition systems. sulfate (BaSO4) is used as a ....