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Tungsten (symbol W) is a chemical element with atomic number 74 belonging to the group of transition metals. Its name is derived from the Swedish phrase “tung sten” meaning “heavy stone”. It is located in group 6B of the periodic table and does not occur in nature in its free state; it is found only in compound minerals. Chemically it is a highly inert metal. At room temperature it does not react with air or water and dissolves only in certain strong acids. For example tungsten does not dissolve

Tungsten (symbol W) is a chemical element with atomic number 74 belonging to the group of transition metals. Its name is derived from the Swedish phrase “tung sten,” meaning “heavy stone.” It is located in group 6B of the periodic table and does not occur naturally in its free state; it is found only in compound minerals. Tungsten is a chemically quite inert metal. It does not react with air or water at room temperature and dissolves only in certain strong acids. For example, while tungsten does