Sentence Examples


  • The amino derivatives are stable bases which readily yield substitution derivatives when acted upon by the halogen elements.
  • Molybdenum combines with the halogen elements in varying proportions, forming with chlorine a di-, tri-, tetraand penta-chloride, and similar compounds with bromine and iodine.
  • Several halogen compounds of sulphur are known, the most stable of which is sulphur fluoride, SF 6, which was first prepared by H.
  • Balard completed for many years Berzelius's group of " halogen " elements; the remaining member, fluorine, notwithstanding many attempts, remained unisolated until 1886, when Henri Moissan obtained it by the electrolysis of potassium fluoride dissolved in hydrofluoric acid.
  • We may, in fact, consider that the descriptive study of the various halogen compounds dates from about this time.

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