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JAMB Chemistry 1981 Question 14

Question 14

Chemical Bonding

Which of the following statements is NOT true of electrovalent compounds?

  1. A.They are solids
  2. B.They do not vaporize easily
  3. C.They usually dissolve in water
  4. D.The elements forming the compounds normally have their valency electrons in a shared state
  5. E.They conduct electricity
Show the answer and explanation

Answer: D (The elements forming the compounds normally have their valency electrons in a shared state)

Explanation

In electrovalent (ionic) compounds electrons are transferred, not shared. Sharing electrons describes covalent compounds.