锇 (é) - Osmium — a chemical element (symbol Os, atomic

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Osmium — a chemical element (symbol Os, atomic number 76), a hard, brittle, bluish-white transition metal in the platinum group, known for being the densest naturally occurring element.

Osmium — a chemical element (symbol Os, atomic

Usage highlights

Osmium metalOsmium alloyOsmium compoundOsmium tetroxideOsmium catalystPlatinum
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Usage & contexts

Examples

  • Osmium is used in alloy compositions (锇合金).
  • This pen tip contains osmium (锇笔尖).
  • Osmium tetroxide is a toxic compound (四氧化锇).
  • The density of osmium is very high (锇的密度).

Collocations

  • Osmium metal(金属锇)
  • Osmium alloy(锇合金)
  • Osmium compound(锇化合物)
  • Osmium tetroxide(四氧化锇)
  • Osmium catalyst(锇催化剂)
  • Platinum-osmium alloy(铂锇合金)

Cultural background

FAQ
  • Osmium was discovered in 1803 by English chemist Smithson Tennant.
  • The name comes from Greek 'osme' meaning 'smell', referring to the pungent odor of osmium tetroxide.
  • As a rare transition metal, it has limited cultural significance outside scientific contexts.

FAQ