Assertion: carbon | /r/CapableOf | form c4- ions
Facets:
value: with large
type: OTHER
value: with most metals
type: OTHER
value: for carbon
type: PURPOSE
Source sentences:
text: The electronegativity of carbon (EN = 2.55) is too small to allow carbon to form C4- ions with most metals and too large for carbon to form C4+ ions when it reacts with nonmetals.