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Covalent bonding
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What a covalent bond is

What a covalent bond is

Atoms are most stable when their outer shell is full. When two non-metals react, neither atom can easily give electrons away, so they share electrons instead.

Covalent bonding Lesson

  1. GCSE
  2. /Chemistry
  3. /Covalent bonding

Step-by-step lessons covering Edexcel GCSE Chemistry Covalent bonding for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.