A - CI5.2 Molecules and Networks

Carbon and Silicon Oxides

• Both in group 4
• Both are covalent compounds
• Silicon oxide has a giant covalent network - high MP and BP
• Carbon dioxide is molecular covalent

Covalent Structures

Covalent Molecular Structures:

•  eg. CO2
• Weak intermolecular bonds
• Dissolve in organic substances
• Non-metals…