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Barium
Beginning 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 ....
Middle of essay
....intestinal tract.
Naturally occurring is a mixture of seven stable isotopes. Twenty two other radioactive isotopes are known to exist.
is an ore found in the ground. It is then purified.
was distinguished from lime by a Swedish chemist named Carl Wilhelm Scheele in 1774. He discovered a new base called baryta as a minor constituent in pyrolusite. Only after the electric battery became available could English Scientist Sir Humphry Davy, who officially discovered it, isolate the element by el.... |
| Number of words: 563 |
Approximate pages: 3 |
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