Unit 2 · Structure 2: Models of bonding and structure · Topic 2.1

IB Chemistry HL — The ionic model

Topic 2.1 of IB Chemistry covers The ionic model, which is part of Unit 2: Structure 2: Models of bonding and structure. Students explore key concepts including Formation of ions and ionic bonding, Formulas and names of ionic compounds, Ionic lattices and their properties. A strong understanding of the ionic model is essential for IB Chemistry HL exams and builds the foundation for connected topics across the syllabus.

Exam technique guide Practice questions

What you'll learn in Topic 2.1

2.1.1 Formation of ions and ionic bonding
2.1.2 Formulas and names of ionic compounds
2.1.3 Ionic lattices and their properties

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

Study resources — 2.1 The ionic model

2.1.1

Formation of ions and ionic bonding

Notes

2.1.2

Formulas and names of ionic compounds

Notes

2.1.3

Ionic lattices and their properties

Notes

Ready to study The ionic model?

Get AI-powered practice questions, personalised feedback, and a study planner tailored to your IB Chemistry HL exam date.

Start studying free

Topic 2.1 The ionic model forms a core part of Unit 2: Structure 2: Models of bonding and structure in IB Chemistry HL. 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.

All Chemistry HL topics

Exam technique

Ready to practice?

Get AI-graded practice questions, mock exams, flashcards, and a personalised study plan — all aligned to your IB syllabus.

Start Studying Free

No credit card required · Cancel anytime