Tungsten, this remarkable metallic element, carries with it centuries of history and innovation. Its importance in modern technology is undeniable. From its origins to applications, tungsten has played a crucial role in the advancement of human civilization.
What is the chemical symbol for tungsten?
"Wolframite" derives from the German "wolf rahm" or "wolf cream." Hence, tungsten's symbol is "W" instead of "T" from its English name. Tungsten, with atomic number 74, is a hard, shiny metal resistant to corrosion. It's used for light bulb filaments, cutting tools, molds, and in optics and chemistry.
Name | Tungsten | Chemical symbol | W |
CAS NO. | 7440-33-7 | Atomic weight | 183.84 |
ENINECS NO. | 231-143-9 | Element type | Transition metal |
Melting point | 3410 ℃ | Atomic number | 74 |
Boiling point | 5660 ℃ | Periodicity | Sixth |
Water solubility | Insoluble in water | Group | Ⅵ B Group |
Density | 19.35 g/cm3 | Region | d |
Safety description | S6, S26, S36 | Electron arrangement | [Xe] 4f14 5d4 6s2 |
Hazard symbol | F, X | Atomic radius | 139pm |
Hazard description | R11, R36/38 | Electronegativity | 1.7 |
Is tungsten an element or compound?
Tungsten is an element, not a compound. Extremely hard and durable, tungsten has the highest melting point of any metal, high-temperature strength, and creep resistance, as well as excellent thermal, electrical, and electron-emission properties. For this reason, tungsten is also used in large quantities to make cemented carbides. The most common alloy used in the heavy metals industry is tungsten-nickel-iron alloy, whose density, ductility, and strength are virtually unmatched by any other metal alloy. Spherical tungsten-nickel-iron alloy powders also have a wide range of applications in 3D printing technology.
Despite its importance in modern technology, tungsten remains a single element, distinct from compounds which are formed by the chemical combination of two or more different elements.
Is titanium stronger than tungsten?
While both titanium and tungsten are renowned for their strength and durability, they possess different mechanical properties that make them suitable for distinct applications.
In terms of strength:
- Titanium: Titanium is known for its impressive strength-to-weight ratio, making it exceptionally strong while remaining relatively lightweight. It has a tensile strength of about 63000 psi (pounds per square inch) and is highly resistant to corrosion, particularly in environments such as seawater.
- Tungsten: Tungsten, on the other hand, is one of the strongest metals known, boasting an incredibly high tensile strength of approximately 151000 psi. It is exceptionally dense and has the highest melting point of all metals, rendering it extremely resilient under high temperatures.
While titanium excels in applications where weight is a concern and corrosion resistance is required, tungsten surpasses titanium in terms of sheer strength and resistance to extreme conditions.
As technology continues to advance and the demand for stronger, more durable materials grows, tungsten will continue to play a crucial role. Its outstanding properties make it an indispensable part of many key industries, from aerospace to healthcare, from energy production to electronic devices. As our understanding of tungsten deepens, we can expect to see more innovative applications and technologies in the future, driving human society toward a more prosperous and sustainable future.
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