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.
🎯 Exam Focus
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.
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.