Assertion: covalent solid | /r/HasProperty | diamond
Facets:
Source sentences:
text: Molecular solids have low melting (T m ) and boiling (T b ) points compared to metal (iron), ionic (sodium chloride), and covalent solids (diamond).
text: Molecular solids tend to have lower fracture toughness (sucrose, K Ic = 0.08 MPa m1/2) than metal (iron, K Ic = 50 MPa m1/2), ionic (sodium chloride, K Ic = 0.5 MPa m1/2), and covalent solids (diamond, K Ic = 5 MPa m1/2).