Assertion: electron affinity | /r/HasProperty | negative ion equivalent
Facets:
Source sentences:
text: Electron affinities are the negative ion equivalent, and their use is almost always confined to elements in groups 6 and 7 of the Periodic Table.
text: Electron affinities are the negative ion equivalent, and their use is almost always confined to elements in groups 16 and 17 of the Periodic Table.