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Overview
Periodicity, electron configuration and trends across the IB syllabus. This section will hold the full written explanation for the periodic table: classification of elements, broken into short, scannable subsections with diagrams, worked examples and definitions where needed.
Key points
- Core definitions and terminology for the periodic table: classification of elements.
- Worked examples matching the IB exam style.
- Common mistakes examiners flag most often for this topic.
- A short recap summary for last-minute revision.
Practice
Pair this topic with past paper questions from the IB past papers section to check your understanding under exam conditions.