Assertion: hydrogen | /r/HasProperty | 7 o
Facets:
Source sentences:
text: For example, the two shared protons in H 7 O 3 + give rise to bond lengths halfway between those in (H 2 O) 2 and H 5 O 2
text: + are both also found in HBr.4H 2 O, i.e., [H 9 O 4 +][H 7 O 3