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Doctors Medicines MCQs Q&A

  1. They contain free electrons
  2. The molecules in them are very close to each other
  3. The molecules in them collide very freely
  4. They contain reflecting surface
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1 Answers

Answer: Option 1

Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions.

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