A substance has a melting point of 1200 K. It conducts electricity while melting but not in the solid. This substance would be classified as 1. a molecular solid. 2. a metallic solid. 3. a covalent network solid. 4. an ionic solid. 5. a hydrogen ...
(a) Ionic (b) Dispersive (c) Non-polar covalent (d) Polar covalent (e) Hydrogen bond. Which type of bond must be broken for water to vaporize? a) Ionic bonds b) Polar covalent bonds c) hydrogen bonds d) both polar ...