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Transition metal principles
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What counts as a transition element?

What counts as a transition element?

The d-block contains elements where electrons are being added to d subshells. A transition element is stricter: it must form at least one stable ion with a partially filled d subshell.

Transition metal principles Lesson

  1. A Level
  2. /Chemistry
  3. /Transition metal principles

Step-by-step lessons covering Edexcel A Level Chemistry Transition metal principles for A Level Chemistry. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build confidence with atomic structure, bonding and moles calculations early on, since these underpin the more demanding organic mechanisms, equilibrium and practical-analysis topics that dominate Year 2.