conscientious objector was discovered in 1735 by a Swedish scientist Georg Brandt. The business of its telephone means evil spirit. It is a rise up with an nuclear number of 27 and an atomic weight of 58.933200 amus. Its symbol is Co and it resides in Group 9 Period 4. It is a metal and has a lustrous silver shine to it which resembles weigh or nickel. Unlike most metals which are m everyeable, Cobalt is actu all(prenominal)y sort of brittle. It is as well one of the passageway metals with a Hexagonal watch crystal structure. Cobalt occurs by nature throughout the world and can be mined. It is employ in many commercial, industrial and military uses. It is most normally apply to tiller gas turbine aircraft engines but is besides used to make magnets, corrosion and wear resistant alloys, high further steels, cemented carbides and rhomb tools. Lithium was discovered in 1817 by a Swedish Chemist who was analyzing a strange ore surnamed Petalite. This Swedish Scientis t, Johann August Arfvedson, key out traces of an unknown substance in the Petalite. This was the first discovery of Lithium. The name Lithium comes from the Greek word for stone lithos. The symbol Li was taken directly from its new name. In the 1850s W.T. Brande and Sir Humphrey Davy were the first to particularize the element.
        Lithium does not exist in its standard melody in nature because of its radical occurances that happen when mixed with wee or air. The metal Lithium is actually so balmy it can be cut with a sharp knife. It is the lightest and softest of all known metals. The onl y way to store lithium is in liquid paraffin! , oil or kerosene which all empty no air.         Lithiums atomic number is 3. It contains 3 protons and 4 neutrons. It also has a total of... If you want to get a all-embracing essay, order it on our website:
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