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Tungsten(IV) chloride, WCl 4, a black solid, which adopts a polymeric structure. Tungsten(V) chloride WCl 5, a black solid which adopts a dimeric structure. Tungsten(VI) chloride WCl 6, which contrasts with the instability of MoCl 6. Organotungsten compounds are numerous and also span a range of oxidation states.
- Wolframite
Wolframite is an iron, manganese, and tungstate mineral with...
- Tungsten Carbide
Tungsten carbide (chemical formula: WC) is a chemical...
- Tantalum
Tantalum carbide, TaC, like the more commonly used tungsten...
- Tungsten Hexafluoride
Tungsten(VI) fluoride, also known as tungsten hexafluoride,...
- Rare Metal
Gold nugget A selection of precious metal elements; gold,...
- Isotopes of Tungsten
Naturally occurring tungsten (74 W) consists of five...
- Dubnium
Dubnium is a synthetic chemical element; it has symbol Db...
- Wolframite
The Tunguska event (occasionally also called the Tunguska incident) was a large explosion of between 3 and 50 megatons [2] that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai ), Russia, on the morning of 30 June 1908.
- June 30, 1908; 115 years ago
- 0 confirmed, 3 possible
tungsten (W), chemical element, an exceptionally strong refractory metal of Group 6 (VIb) of the periodic table, used in steels to increase hardness and strength and in lamp filaments.
- The Editors of Encyclopaedia Britannica
Tungsten (sometimes named wolfram) is a chemical element on the periodic table. It has the chemical symbol W and it has the atomic number 74. It is a steel-gray to white colored metal. Tungsten’s electron shell formula is: 2, 8, 18, 32, 12, 2. In chemistry, it is placed in a group of metal elements named the transition metals.
Element Tungsten (W), Group 6, Atomic Number 74, d-block, Mass 183.84. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Mar 21, 2024 · Tungsten carbide is a dense, metallike substance, light gray with a bluish tinge, that decomposes, rather than melts, at 2,600° C (4,700° F). It is prepared by heating powdered tungsten with carbon black in the presence of hydrogen at 1,400°–1,600° C (2,550°–2,900° F).
