Cobalt was discovered in 1735 by a Swedish scientist Georg Brandt. The origin of its name means evil spirit. It is a metal with an atomic number of 27 and an atomic weight of 58.933200 amu's. 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 iron or nickel. Unlike most metals which are malleable, Cobalt is actually quite brittle. It is also one …
showed first 75 words of 347 total

showed last 75 words of 347 total
…liquid paraffin, oil or kerosene which all contain no air. <Tab/>Lithium's atomic number is 3. It contains 3 protons and 4 neutrons. It also has a total of 2 energy levels, the first one containing 2 electrons while the second contains only 1 electron. The atomic mass of Lithium is 6.941, its natural color is silver and the crystal structure is cubic. The current uses for Lithium include ceramics, lubricants and the most prominent use in batteries.