Assertion: ligand's group | /r/CapableOf | offer a pair of electrons
Facets:
value: to acceptors
type: TRANSITIVE-OBJECT
value: in some cases
type: TEMPORAL
value: by division of the electron pair
type: MANNER
Source sentences:
text: In some cases an atom or a group offers a pair of electrons to two similar or different central metal atoms or acceptors—by division of the electron pair—into a three-center two-electron bond.