Assertion: gray arsenic | /r/HasProperty | brittle
Facets:
value: because of weak bonding between the layers
type: CAUSE
Source sentences:
text: Because of weak bonding between the layers, gray arsenic is brittle and has a relatively low Mohs hardness of 3.5.
text: Because of weak bonding between the layers, gray arsenic is brittle and has a relatively low Mohs hardness of 3.5.