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TERME PRÉFÉRENTIEL

LEAD  

DÉFINITION

  • A chemical element and a heavy metal that is denser than most common materials. Lead is soft and malleable, and has a relatively low melting point. When freshly cut, lead is bluish-white; it tarnishes to a dull gray color when exposed to air. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements.

CONCEPT GÉNÉRIQUE

NOTE DE CHANGEMENT

  • 2018-03-07 07:54:43.0 [tstevens] Insert Concept add broader relation (LEAD [6fe420c1-2285-4031-babe-f0243c59a617,310669] - CONTAMINANTS [42c6d91b-afef-4638-95c5-0d130828b2e7,84623]);
  • 2018-03-07 09:29:12.0 [tstevens] insert Definition (id: null text: A chemical element and a heavy metal that is denser than most common materials. Lead is soft and malleable, and has a relatively low melting point. When freshly cut, lead is bluish-white; it tarnishes to a dull gray color when exposed to air. Lead has the highest atomic number of any stable element and concludes three major decay chains of heavier elements. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/6fe420c1-2285-4031-babe-f0243c59a617

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