Tungsten is a chemical element with the symbol W and atomic number 74. It is known for its remarkable hardness and high melting point, making it one of the toughest metals. Tungsten is often used in applications such as light bulb filaments, electrical contacts, and cutting tools due to its durability and resistance to heat. This metal is found naturally in minerals like wolframite and scheelite. Tungsten is also used in the production of alloys, enhancing the strength and performance of materials in various industries, including aerospace and military applications. Its unique properties make it a valuable resource in modern technology.