AQA GCSE Chemistry contents

Unit 2 · Bonding, Structure & The Properties of Matter

Structure & Bonding of Carbon

2 min read · part of the full Exam Guide

Diamond

  • Each carbon atom forms four covalent bonds with other carbon atoms in a giant covalent structure
  • Very hard and a very high melting point, because every atom is held by strong covalent bonds that need a lot of energy to break
  • Does not conduct electricity: there are no free electrons or ions, because all four outer electrons are used in bonds

Full Exam Guide

The rest of this topic is in the full Exam Guide

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In the full topic

  • Diamond
  • Graphite
  • Graphene and fullerenes
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