Assertion: boron | /r/HasAspect | 3 electrons
Facets:
value: in its valence shell
type: LOCATION
Source sentences:
text: In the case of boron in BF 3 , three bonds is the maximum possible because boron only has 3 electrons to share.
text: Boron, #Z=5# , has 3 electrons in its valence shell, i.e. its atomic configuration is #1s^(2)2s^(2)2p^(1)# .