Exam board: AQA
Entry requirements: Grade 6 in Chemistry or 6:6 in Combined Science or equivalent
The skills developed in Chemistry are extremely sought after. Chemists are problem solvers; they are trained to design novel solutions to problems and communicate them to others. Chemists display the qualities of inventiveness, imagination and communication that will be least vulnerable to replacement by computers in the future.
Any pupil considering studying Medicine, Dentistry or Veterinary Science must study Chemistry. Other courses that benefit from studying the subject include natural sciences, (chemical) engineering, biochemical and biomedical sciences, pharmacology and a host of other science related degree courses. Indirectly, through the skills you learn while studying Chemistry, it is also great training for careers in law, business and finance, consultancy, investment banking, publishing and sales and marketing.
Structure and Reactivity are the two overarching themes within IB. An outline of the topics taught within the two themes are shown below:
STRUCTURE
1.Models of the particulate nature of matter
• Introduction to the particulate nature of matter • The nuclear atom • Electron configurations • Counting particles by mass (the mole) • Ideal gases
2.Models of bonding and structure
• The ionic model Structure • The covalent model • The metallic model • From models to materials
3.Classification of matter
• The periodic table: Classification of elements • Functional groups: Classification of organic compounds
REACTIVITY
- What drives chemical reactions?
• Measuring enthalpy change Reactivity • Energy cycles in reactions • Energy from fuels Reactivity • Entropy and spontaneity (Additional higher level)
- How much, how fast and how far?
• How much? The amount of chemical change • How fast? The rate of chemical change • How far? The extent of chemical change
- What are the mechanisms of chemical change?
• Proton transfer reactions Reactivity • Electron transfer reactions • Electron sharing reactions • Electron-pair sharing reactions
Assessment:
Pupils will complete two exam papers at the end of the course:
Paper 1 – Multiple-choice questions and data-based questions. 1.5 hours for Standard Level and 2 hours for Higher level. This contributes 36% of the final grade.
Paper 2 – Data-based and short-answer questions and extended-response questions. 1.5 hours for Standard Level and 2.5 hours for Higher level. This contributes 44% of the final grade.
The remaining 20% of the grade is awarded for the scientific investigation. The scientific investigation is an open-ended task in which the pupil gathers and analyses data in order to answer their own formulated research question. The outcome of the scientific investigation will be assessed through the form of a written report.