Sentence Examples


  • Conspicuous examples are afforded by oxygen, carbon, boron, silicon, phosphorus, mercuric oxide and iodide.
  • This mixture burns with a green flame forming boron trioxide; whilst boron is deposited on passing the gas mixture through a hot tube, or on depressing a cold surface in the gas flame.
  • 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.