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Chemistry · Oct / Nov 2025 · Paper 12 · Question 24

5070Metallic bonding

Solid 1 and solid 2 are both elements. Solid 1 is not malleable. Solid 2 is ductile. Which statement is correct?

  1. ASolid 1 has good electrical conductivity only when molten.
  2. BSolid 2 has good electrical conductivity only when molten.
  3. CThe layers of ions in solid 1 can slide over one another.
  4. DThe layers of ions in solid 2 can slide over one another.

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Correct answer: D. The layers of ions in solid 2 can slide over one another.

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