Unit 1 · Structure 1: Models of the particulate nature of matter · Topic 1.3

IB Chemistry — Electron configurations

Topic 1.3 of IB Chemistry covers Electron configurations, which is part of Unit 1: Structure 1: Models of the particulate nature of matter. Students explore key concepts including Emission spectra and the electromagnetic spectrum, Electron energy levels and sublevels, Writing electron configurations. A strong understanding of electron configurations is essential for IB Chemistry exams and builds the foundation for connected topics across the syllabus.

Exam technique guide Practice questions

What you'll learn in Topic 1.3

1.3.1 Emission spectra and the electromagnetic spectrum
1.3.2 Electron energy levels and sublevels
1.3.3 Writing electron configurations

Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 1.3 Electron configurations

1.3.1

Emission spectra and the electromagnetic spectrum

Notes

1.3.2

Electron energy levels and sublevels

Notes

1.3.3

Writing electron configurations

Notes

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Topic 1.3 Electron configurations forms a core part of Unit 1: Structure 1: Models of the particulate nature of matter in IB Chemistry. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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