GCSE Chemistry - Properties of Simple Molecular Substances & Giant Covalent Structures #17

The video explains covalent bonds, focusing on simple molecular substances and giant covalent structures. Simple molecular substances, like chlorine, have low melting and boiling points due to weak intermolecular forces. In contrast, giant covalent structures, such as diamond and silicon dioxide, have high melting and boiling points due to strong covalent bonds. The video also highlights that simple molecular substances do not conduct electricity, while graphite, a giant covalent structure, is an exception.

What is the significance of the size of molecules in determining their boiling points within the halogen group?

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Discuss the electrical conductivity of simple molecular substances and giant covalent structures.

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