Unit 2: Structure 2: Models of Bonding and Structure
Topic 2.3: The Metallic Model Questions
Practice 8 exam-style questions for IB Chemistry Topic 2.3. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
2describe3 marks
Describe the structure and bonding in a metal, and explain how this accounts for electrical conductivity.
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Explain why metals are malleable but ionic solids are brittle.
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Explain why magnesium has a higher melting point than sodium.
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Explain why metals are good conductors of heat as well as of electricity.
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Compare the electrical conductivity of a metal with that of an ionic solid.
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Magnesium has a higher melting point than sodium.
Explain this difference in terms of metallic bonding.
Explain this difference in terms of metallic bonding.
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Using the metallic bonding model, explain why copper is a good conductor of electricity and is malleable.
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