What is a covalent bond?
What is a covalent bond?
A covalent bond is a shared pair of electrons between two non-metal atoms. The shared pair is attracted to the nucleus of both atoms, and this attraction holds the atoms together.
Step-by-step lessons on Edexcel GCSE Chemistry 2.4.1 Covalent bonding and simple molecules. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.