Assertion: compound's element | /r/HasProperty | atomic
Facets:
Source sentences:
text: Not included in this list are symbolic representations of substances previously called elements (such as certain rare-earth mineral blends and the classical elements fire and water of ancient philosophy) which are known today to be multi-atomic.
text: John Dalton's original atomic hypothesis presumed that all elements were monatomic and that the atoms in compounds would normally have the simplest atomic ratios with respect to one another.