Tungsten is number 74 on the Periodic Table of Elements. It is located between tantalum, number 73, and rhenium, 75. On the periodic table, the elements are categorized in rows by "period," which indicates each element's number of atomic orbitals; tungsten is in the sixth period.
Pure tungsten is a dark gray to light gray metal. Three-quarters of the world's tungsten is found in China. At 3422 degrees Celsius, it has the highest melting point of all metals. The metal has several uses: Tungsten is a component in electric lamp and television tube filaments as well as a heating element of electrical furnaces and X-ray devices.