GENERAL

• WHAT ARE MACROMOLECULAR CRYSTALS HELD TOGETHER BY?

  strong bonds
• WHAT KIND OF MELTING POINT DO GIANT COVALENT COMPOUNDS HAVE?

  high
• EXAMPLES OF GIANT COVALENT MOLECULES?

  diamond and graphite
• WHAT ARE DIAMOND AND GRAPHITE?

  polymorphs/ allotropes of carbon
• WHY DO DIAMOND AND GRAPHITE HAVE DIFFERENT PROPERTIES?

  different arrangements