Question 1
In general, at room temperature
◦ ionic compounds are all solids and covalent compounds are all gases.
◦ ionic compounds are all solids, but covalent compounds may be solids, liquids, or gases.
◦ covalent compounds are all gases, but ionic compounds may be solids, liquids, or gases.
◦ ionic compounds are all solids, and covalent compounds are liquids or gases.
Question 2
When melting S
8, ________ forces must be overcome and S
8 is expected to have a ________ melting point than MgS.
◦ covalent bonding, lower
◦ intermolecular, higher
◦ covalent bonding, higher
◦ intermolecular, lower