Concept information
PREFERRED TERM
HYDROGEN COMPOUNDS
DEFINITION
- Hydrogen (H) is the lightest and most abundant chemical element. It is only found in trace quantities in the atmosphere.
BROADER CONCEPT
NARROWER CONCEPTS
CHANGE NOTE
- 2020-10-16 11:48:19.0 [sritz] Insert Concept add narrower relation (HYDROGEN COMPOUNDS [d8dcfd36-f71c-499f-84f5-43da9fee26c5,553197] - Hydrogen-Deuterium Oxide [f259ddd3-87d3-4a2f-b39d-ed3cce629f3d,560736]);
- 2020-10-16 12:40:05.0 [sritz] Insert Concept add narrower relation (HYDROGEN COMPOUNDS [d8dcfd36-f71c-499f-84f5-43da9fee26c5,553197] - DEUTERIUM OXIDE/HEAVY WATER [4904a081-ffb5-430c-b659-08cd55d41818,560744]);
URI
https://gcmd.earthdata.nasa.gov/kms/concept/d8dcfd36-f71c-499f-84f5-43da9fee26c5
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