AQA GCSE Chemistry (8462) · AQA 8462
4.2 Bonding, structure, and the properties of matter
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Bonding, structure, and the properties of matter
- Explain why nanoparticles of gold can appear red or purple in solution, whilst bulk gold a… (4 marks, Explain)
- Carbon nanoparticles called fullerenes have many potential uses in medicine. Explain why f… (4 marks, Explain)
- Silver nanoparticles are used as an antibacterial coating on some medical instruments. Des… (4 marks, Describe)
- Nanoparticles of a material can have different properties to the same material in bulk. Ex… (4 marks, Explain)
- Graphene is a single layer of graphite. Describe the structure and bonding in graphene and… (4 marks, Describe)
- Explain why silicon dioxide has a high melting point and does not conduct electricity. (4 marks, Explain)
- Explain why simple molecular substances, such as chlorine, have low melting points. (4 marks, Explain)
- Explain why ionic compounds can conduct electricity when dissolved in water but not when s… (4 marks, Explain)
- Explain why magnesium oxide is held together by strong electrostatic forces and why these … (4 marks, Explain)
- Explain how an ionic bond is formed when sodium reacts with chlorine. Include in your answ… (4 marks, Explain)
- Explain why ionic compounds have high melting points. (4 marks, Explain)
- Explain why metals are good conductors of electricity. (4 marks, Explain)
- Describe how a covalent bond is formed between two non-metal atoms and explain why simple … (4 marks, Describe and Explain)
- Explain why metals have high melting points and can conduct electricity. (4 marks, Explain)
- Graphite and diamond are both giant covalent structures made entirely of carbon atoms, yet… (4 marks, Explain)
- Explain why graphite can conduct electricity but diamond cannot. (4 marks, Explain)
- Fullerenes are a form of carbon. Buckminsterfullerene (C₆₀) is a well-known fullerene. Exp… (4 marks, Explain)
- Graphite is a giant covalent structure. Explain why graphite can conduct electricity but d… (4 marks, Explain)
- Diamond is used to make cutting tools. Explain why diamond has a very high melting point a… (4 marks, Explain)
- Titanium dioxide nanoparticles are used in some sunscreen products. Explain why manufactur… (4 marks, Explain)
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