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Chemical Elements

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Arsenic in its natural form!

Atomic Number: 33Atomic Mass Number: 74.922Element Family: 15(nitrogen family)Classification: Metalloid

Arsenic was discovered in 1250 A.D. by Albertus Magnus!

Number of Energy Levels: 4 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 5

The most common isotope of Arsenic is Arsenic-75. It's atomic mass is 75. The frequency of occurence is 100%. This is the only stable arsenic isotope.

Arsenic is used in the production of alloys, shot, batteries, cable covering, boiler tubes, and special kinds of solder. In its pure forms, it is an essential component of many electronic devices. Its toxicity makes its compounds useful in wood preservation, insecticides, and rat posions. Arsenic is also used in bronzing and pyrotechnics

The nitrogen family is element group 15 of the periodic table. It consists of nitrogen, phosphorus, arsenic, antimony and bismuth. These elements all consist of atoms having 5 electrons in their outer energy level. Except for nitrogen, the elements are solid at room temperature. Except for nitrogen and bismuth, the elements exist in two or more allotropic forms. These elements are metals, nonmetals, and metalloids.

The most common ion of Arsenic is As3+. It has a positive charge. Its molecular weight is 74.9216. Arsenic combined with elements such as oxygen, chlorine, and sulfur forms inorganic arsenic; combined with carbon and hydrogen it forms organic arsenic.

Works CitedBanks, Alton, Matthew Bollom, Jon Holmes, Jerold Jacobsen, John Kotz, and John Moore. “Periodic Table Live!” ChemEd DL. 2010. Web. 2 Nov 2015.“Arsenic Element Facts.” Chemicool. 15 Oct. 2012. Web. 2 Nov. 2015. Will Kill You. "Caution: Deadly Poison." Online Video. Youtube. 14 Feb. 2015. Web. 2 Nov. 2015.


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