Sentence Examples


  • Conspicuous examples are afforded by oxygen, carbon, boron, silicon, phosphorus, mercuric oxide and iodide.
  • Boron fluoride BF 3 was first prepared in 1808 by Gay Lussac and L.
  • In 1927 a very large deposit of relatively pure Borax was discovered at what is now Boron, CA, in the Mojave Desert.
  • Thenard in 1808 by heating boron trioxide with potassium, in an iron tube.
  • After the vigorous reaction has ceased and all the sodium has been used up, the mass is thrown into dilute hydrochloric acid, when the soluble sodium salts go into solution, and the insoluble boron remains as a brown powder, which may by filtered off and dried.