Tungsten
Tungsten
Tungsten (/ˈtʌŋstən/), also known as wolfram (/ˈwʊlfrəm/), is a chemical element with the symbol W and atomic number 74.
Etymology
The name tungsten comes from the Swedish language, 'tung sten' which translates to 'heavy stone'. Its former name, wolfram, comes from the mineral wolframite, in which it was discovered. Wolframite means 'the devourer of tin' in reference to the mineral's interference with tin smelting.
Properties
Tungsten is a hard, rare metal under standard conditions when uncombined and is found naturally on Earth almost exclusively combined with other elements in chemical compounds. It has the highest melting point of all the elements discovered, melting at 3422 °C.
Uses
Tungsten is used in many different ways because it is very strong and durable. It is very resistant to corrosion and has the highest melting point and highest tensile strength of any element. Its strength comes from the fact that it is extremely dense, with a density similar to that of gold and uranium.
Related Terms
External links
- Medical encyclopedia article on Tungsten
- Wikipedia's article - Tungsten
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