Question detail
Describe the structure of graphite and how it relates to its properties.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Structure and bonding of carbon
Question
Describe the structure of graphite and how it relates to its properties.
Answer
Graphite has a giant covalent structure made of layers of hexagonal rings of carbon atoms. The layers are held together by weak intermolecular forces, allowing them to slide over each other, which contributes to its lubricating properties.
Explanation
This answer is strong as it connects the structural features of graphite to its physical properties, testing the student's ability to apply their knowledge of bonding and structure to explain material behavior.
Common mistake
Misunderstanding Graphite's Conductivity
Students often state that graphite conducts electricity because it has free electrons, without specifying that these electrons are delocalised.
Emphasize that in graphite, one electron from each carbon atom is delocalised, allowing it to conduct electricity.
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