Iridium Synonyms

ĭ-rĭdē-əm
A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
(Noun)
Synonyms:
  1. ir
  2. atomic number 77

Words Related to Iridium

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.

Related:

  1. periodic-table
  2. burster
  3. infrared

Iridium Sentence Examples

  • Iridium tetrachloride, IrC1 41 is obtained by dissolving the finely divided metal in aqua regia; by dissolving the hydroxide in hydrochloric acid; and by digesting the hydrated sesquichloride with nitric acid.

  • Aqua Regia, a mixture of nitric and hydrochloric acids, converts all metals (even gold, the "king of metals," whence the name) into chlorides, except only rhodium, iridium and ruthenium, which, when pure, are not attacked.

  • It may be obtained in the spongy form by igniting iridium ammonium chloride, and this variety of the metal readily oxidizes when heated in air.

  • Iridium sesquichloride, IrC1 31 is obtained when one of the corresponding double chlorides is heated with concentrated sulphuric acid, the mixture being then thrown into water.

  • Iridium sulphide, IrS, is obtained when the metal is ignited in sulphur vapour.

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