IB Chemistry SL · 2025
Unit 2: Structure 2: Models of bonding and structure
108 past paper questions from 18 papers across 4 exam sessions. See what repeats, then practise the same skills with AI marking.
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SL archive · 2025 to 2026
Unit 2: Structure 2: Models of bonding and structure
Latest exam session: May 2026
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Topics in Unit 2: Structure 2: Models of bonding and structure
In syllabus order. The ring is the share of the marks each one carries.
Exam pattern
How often each micro-topic has been examined, year by year. Each label is explained under the grid.
Does it repeat?
Top 4 of 11 micro-topics for the next sitting. Numbers are questions per year.
fewermore
| Micro-topic | 2025 | 2026 |
|---|---|---|
| 11Intermolecular forces and physical properties, 2025: 11 questions | 6Intermolecular forces and physical properties, 2026: 6 questions | |
| 7Molecular shapes (VSEPR), 2025: 7 questions | 5Molecular shapes (VSEPR), 2026: 5 questions | |
| 13Covalent bonding and Lewis structures, 2025: 13 questions | 2Covalent bonding and Lewis structures, 2026: 2 questions | |
2.4.2Alloys and polymers | 9Alloys and polymers, 2025: 9 questions | 6Alloys and polymers, 2026: 6 questions |
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Questions on Unit 2: Structure 2: Models of bonding and structure, by exam session
Which papers asked about Unit 2: Structure 2: Models of bonding and structure, and which question numbers. Open a paper to see them highlighted.
May 2026
26 questions across 6 papers
November 2025
18 questions across 4 papers
May 2025
23 questions across 6 papers
Specimen 2025
8 questions across 2 papers
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Frequently asked questions
Short answers about this page.
Which Chemistry SL exam sessions are covered for Unit 2: Structure 2: Models of bonding and structure?
4 exam sessions from 2025 to 2026, the latest May 2026. Every Paper 1 and 2 in every timezone is read and classified in full, which gives 18 papers in this archive.
Which Unit 2: Structure 2: Models of bonding and structure topic comes up most?
Intermolecular forces and physical properties (2.2.5): in 78% of papers, last seen May 26 P2 TZ3. Usually "Explain", worth about 2 marks in a paper that includes it.
Can I see the original question and mark scheme?
No. The wording belongs to the IB. You get the citation, the marks, the command term and the skill tested, plus our own matched practice questions with worked answers and AI marking.
What do "banker", "due" and "rising" mean?
Banker: examined in at least one sitting in four and still appearing. Due: regular before, but absent for the last two exam sessions. Rising: clearly more common in the last two years. Our classification of real papers, not an IB statistic.
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