Assertion: carbon | /r/HasProperty | stable
Facets:
value: in a fluorine atmosphere
type: LOCATION
value: up to about 400 °c
type: OTHER
value: as an allotrope
type: OTHER
Source sentences:
text: As an allotrope, carbon is stable in its various multi-atomic states although each state has a different molecular configuration such as carbon-14 that is used to determine the age of antiquities.
text: Carbon is stable in a fluorine atmosphere up to about 400 °C, but between 420-600 °C a reaction takes place to give substoichiometric carbon monofluoride, CF 0.68 appearing dark grey.