Chemistry GCSE Exam Questions

The questions and answers to some common chemistry past paper questions. This is good to look over for revision before exams.

Why do giant covalent structures have high melting

  • The bonds are strong.
  • A lot of energy is needed to break the bonds.
  • All the atoms are joined by covalent bonds.
  • A large number of bonds would need to be broken.
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Explain, in terms of molecules, why propane has a

  • There are intermolecular forces/bonds between the molecules.
  • These bonds/forces are weak.
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Explain how metals conduct electricity.

  • There are outer shell electrons in metals.
  • These electrons are delocalised.
  • The electrons are free to move around.
  • The electrons can carry charge/current.
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I wish you could have made additional cards, but thanks anyways

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