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HL / SL

Chemistry

Every topic, HL and SL, in the order the guide teaches it.

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HL / SL

The whole path, before you pay.

01Structure 1. Models of the particulate nature of matter

S1.1 Introduction to the particulate nature of matterHL / SLFree forever
S1.2 The nuclear atomHL / SLFree forever
S1.3 Electron configurationsHL / SL
S1.4 Counting particles by mass: The moleHL / SL
S1.5 Ideal gasesHL / SL

02Structure 2. Models of bonding and structure

03Structure 3. Classification of matter

04Reactivity 1. What drives chemical reactions?

05Reactivity 2. How much, how fast and how far?

R2.1 How much? The amount of chemical changeHL / SL
R2.2 How fast? The rate of chemical changeHL / SL
R2.3 How far? The extent of chemical changeHL / SL

06Reactivity 3. What are the mechanisms of chemical change?

R3.1 Proton transfer reactionsHL / SL
R3.2 Electron transfer reactionsHL / SL
R3.3 Electron sharing reactionsHL / SL
R3.4 Electron-pair sharing reactionsHL / SL

How the exam is
actually built.

HL / SL

Paper 1A — MCQ

Multiple choice questions. Quick recall and application checks.

HL / SL

Paper 1B — Data-based

Questions built around graphs, tables, and experimental data.

HL / SL

Paper 2 — Short + Extended

Short-answer and extended-response questions.

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