CourseCourse QuestionQuestionDocumentDocument

Structure 1. Models of the particulate nature of matter

Structure 2. Models of bonding and structure

Structure 3. Classification of matter

Reactivity 1. What drives chemical reactions?

1.1 Measuring enthalpy changes

1.1.1—Energy transfer

1.1.2—Endothermic vs. exothermic

1.1.3—Stability and energy

1.1.4—Standard enthalpy change (ΔH⦵)

1.2 Energy cycles

1.3 Energy from fuels

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

Reactivity 3. What are the mechanisms of chemical change?

IB/Chemistry/HL//Concept/Reactivity 1. What drives chemical reactions?/1.1 Measuring enthalpy changes/1.1.3—Stability and energy

Reactivity 1. What drives chemical reactions?

Syllabus: First assessment 2025
Section: —
Level: HL

Exam analysis

Most tested topics

Measuring enthalpy changes
Energy cycles
Energy from fuels