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... > Science Keywords > EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > WATER QUALITY/WATER CHEMISTRY > CONTAMINANTS > POTASSIUM

Preferred term

POTASSIUM  

Definition

  • A chemical element which, in nature, occurs only in ionic salts. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac-colored flame. It is found dissolved in sea water and is part of many minerals. (en)

Broader concept

Change note

  • 2018-03-07 07:53:40.0 [tstevens] Insert Concept add broader relation (POTASSIUM [072721be-eb8b-4ac4-9354-251dbf74ade0,310663] - CONTAMINANTS [42c6d91b-afef-4638-95c5-0d130828b2e7,84623]);
  • 2018-03-07 09:34:46.0 [tstevens] insert Definition (id: null text: A chemical element which, in nature, occurs only in ionic salts. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac-colored flame. It is found dissolved in sea water and is part of many minerals. language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/072721be-eb8b-4ac4-9354-251dbf74ade0

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