Assertion: arsenic | /r/HasAspect | same structure
Facets:
Source sentences:
text: It burns in oxygen to form arsenic trioxide and arsenic pentoxide, which have the same structure as the more well-known phosphorus compounds, and in fluorine to give arsenic pentafluoride.
text: It burns in oxygen to form arsenic trioxide and arsenic pentoxide , which have the same structure as the more well-known phosphorus compounds, and in fluorine to give arsenic pentafluoride .