Assertion: xenon | /r/AtLocation | trace amounts
Facets:
value: in the atmosphere
type: LOCATION
value: like other noble gases
type: OTHER
Source sentences:
text: Since Xenon is an odorless and colorless gas that exists only in trace amounts in the atmosphere, it is very difficult to take notice of it.
text: Like other noble gases, it appears in trace amounts in the Earth's atmosphere, and it is also present in various minerals and some compounds as well.