Frequently Examined
Nanoparticles appear regularly in chemistry exams. Common question patterns:
- Explain what a nanoparticle is — size range (1-100 nm) and definition (1-2 marks)
- Explain why nanoparticles are useful as catalysts — high surface area to volume ratio (2 marks)
- Describe an application of nanoparticles and explain why their properties make them suitable (2-3 marks)
- Evaluate the use of nanoparticles — benefits vs health/safety concerns (3-4 marks)
- Higher tier: Describe the structure and uses of fullerenes or graphene (2-3 marks)
Evaluation questions require you to state both the benefits AND the risks/uncertainties. Show balanced thinking.
Edexcel 1CH0: Examined in Paper 1 (1CH0/1). Edexcel includes nanoparticles and their uses and risks — this topic appears in the "applications of chemistry" part of Paper 1. Students should be able to explain high surface area to volume ratio as a benefit for catalysis and describe health and safety concerns from unknown long-term effects. In Edexcel-style questions, the command word "Suggest" appears frequently — use your chemistry knowledge to apply to an unfamiliar context.
This exam focus covers Exam Focus within Nanoparticles (HT) for GCSE Chemistry. Revise Nanoparticles (HT) in Bonding & Structure for GCSE Chemistry with 22 exam-style questions and 21 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 10 of 12 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.
Practice questions for Nanoparticles (HT)
What is the size range of nanoparticles?
Describe the structure of graphene and state one property that arises from this structure.