The noble gases
The noble gases
The Group 0 elements are called the noble gases. Helium, neon, argon, krypton, xenon and radon all have a full outer shell of electrons.
Step-by-step lessons on Edexcel GCSE Chemistry 7.3 Group 0, covering 7.3.1 The noble gases. 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.