Monday, December 23, 2013

Beryllium

Beryllium is a highly toxic metallic element, and if exposed to it you gaoler get a chronic beryllium disease. The way you ar exposed to the toxic metal is through inhalation pathways. The main(prenominal) effect of beryllium if exposed to it toxically are on the respiratory pathway such as the lungs. If beryllium combines with a protein and goes into the coloured or spleen, it may result in a decelerate hypersensitivity repellent response. Berylliums symbol is Be. Beryllium apply to be called Glucinium after the Greek battle cry glykys. This war cry means sweet, and is used because of Berylliums initial observe and observation. Berylliums nuclear number is 4 and its nuclear weight is 9.01. Its pure metal form melts at 1278 degrees Celsius. Beryllium is an alkaline earth metal. It belongs to group II of the waffle table and was discovered in 1798 by L.M. Vauquelin. He was a French chemist who was doing work with aluminum, and noticed a glossy powder that was noth ing like aluminum. He named this substance atomic number 4 because of its sweet taste. In 1828 a German metallurgist trim it to a metal like organise and named it beryllium.
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Beryllium has numerous properties such as a nipping high stiffness, and a very low density. It has the strength of firebrand without steels weight. It has an unusually high melting dapple and good galvanising conductive properties. Berylliums metal properties are very useful for electronic industries. In result beryllium has a very controversial history. In the send-off it starts as a harmless, white, sweet powder that we called gluc inium. As the historic period went on it f! alse into a toxic metal that could venture your inhalation pathways called beryllium. all(prenominal) in all, beryllium is very important for about pains uses, that causes little or no deadly ill effects to the workers.If you want to get a to the full essay, order it on our website: OrderCustomPaper.com

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