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Barium
Barium 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 Barium is 137.34. Barium is a silver-colored metal. Barium is in group 2 (or IIa) of the periodic table. It belongs to the alkaline earth group. The melting point of Barium is 725 degrees C, and ....
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Middle of Paper
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.... in coating electrical conductors in electronic apparatus and in automobile ignition systems. Barium sulfate (BaSO4) is used as a filler for rubber products, in paint, and in linoleum. Barium nitrate is used in fireworks. A form of barium sulfate, which is opaque to X rays, is used for the X-ray examination of the gastrointestinal tract.
Naturally occurring barium is a mixture of seven stable isotopes. Twenty two other radioactive isotopes are known to exist.
Bari ....
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