Assertion: lr's isotope | /r/HasProperty | indistinguishable
Facets:
value: nearly
type: DEGREE
value: chemically
type: MANNER
value: except for the isotopes of hydrogen
type: OTHER
Source sentences:
text: Except for the isotopes of hydrogen (which differ greatly from each other in relative mass—enough to cause chemical effects), the isotopes of a given element are chemically nearly indistinguishable.