A crystalline substance (X) has the following observed properties: • Melting point:…
CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding
Problem
A crystalline substance (X) has the following observed properties:
• Melting point: 801 °C
• Brittle; shatters when struck with a hammer
• Non-conductive as a solid but conducts electricity when melted
Which type of bonding best accounts for the properties of substance X?
(a) Network covalent bonding
(b) Ionic bonding
(c) Metallic bonding
(d) Covalent molecular bonding