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Physical Chemistry15 min read

Atomic Structure

Mass spectrometry, electron arrangement and ionisation energies (9701).

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Overview

Mass spectrometry, electron arrangement and ionisation energies (9701). This section will hold the full written explanation for atomic structure, broken into short, scannable subsections with diagrams, worked examples and definitions where needed.

Key points

  • Core definitions and terminology for atomic structure.
  • Worked examples matching the CAIE 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 CAIE past papers section to check your understanding under exam conditions.