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Unilorin Post-UTME Chemistry 2021 (Model questions) Question 10

Question 10

Metals and their Compounds

The presence of unpaired electrons in an atom of a d-block element accounts for its

  1. A.ductility
  2. B.lustre
  3. C.malleability
  4. D.paramagnetism
Show the answer and explanation

Answer: D (paramagnetism)

Explanation

Unpaired d-electrons make a substance attracted into a magnetic field, which is paramagnetism.