OS has various meanings in the Chemistry category. Discover the full forms, definitions, and usage contexts of OS in Chemistry.
Chemical symbol Os. A bluish-white metal that is so hard it is difficult to fabricate. Or Symbol:"Os" Atomic Number:"76" Atomic Mass: 190.20amu. This element is one of the transition elements. Osmium is found in nature with platinum and nickel. It actually has the highest melting point of the group and is used in alloys that require a lot of strength.
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