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JAMB Physics 2007 Question 14

Question 14

Electronics

The bond that forms a semiconductor is

  1. A.ionic.
  2. B.metallic.
  3. C.covalent.
  4. D.electrovalent.
Show the answer and explanation

Answer: C (covalent.)

Explanation

In silicon and germanium crystals each atom shares its four valence electrons with four neighbours, forming covalent bonds.