threeroads
multiple choice10 questionsapproved

Tungsten (W) — high-melting metal and industrial chemistry

Ten questions on tungsten (Z=74): melting point, common oxidation states, key compounds (oxides, halides, carbides), historical filament use, alloys, and ore sources.

Source

AI-drafted from cluster "Tungsten (W) — high-melting metal and industrial chemistry". Source: https://en.wikipedia.org/wiki/Tungstenhttps://en.wikipedia.org/wiki/Tungsten

Preview · 10 questions

  • 01What is the atomic number of tungsten?
  • 02Approximately what is the melting point of tungsten (in °C)?
  • 03Which oxidation state is most commonly associated with tungsten compounds?
  • 04What is the formula of tungsten(VI) oxide, a common tungsten oxide?
  • 05Which volatile hexafluoride is an important tungsten compound used in semiconductor processing?
  • 06What is the stoichiometric formula of tungsten carbide widely used in cutting tools?
  • 07Historically, tungsten became important for which application in the late 19th and early 20th centuries?
  • 08What common name describes the hard alloy/material made from tungsten and carbon used for cutting and wear parts?
  • 09What is the approximate density of metallic tungsten (g/cm³)?
  • 10Which mineral is a principal ore of tungsten?

Your next quiz

Comments 5

Sign in to comment.