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JAMB Chemistry 2012 Question 8

Question 8

Chemical Bonding

If the elements X and Y have atomic numbers 11 and 17 respectively, what type of bond can they form?

  1. A.Dative
  2. B.Covalent
  3. C.Ionic
  4. D.Metallic.
Show the answer and explanation

Answer: C (Ionic)

Explanation

X is sodium (loses 1 electron) and Y is chlorine (gains 1), so they form an ionic bond in NaCl.