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JAMB Chemistry 1999 Question 14

Question 14

Periodic Table

Use the table above (part of the periodic table) to answer this question. The least reactive element is

Diagram for this question
  1. A.W
  2. B.X
  3. C.Y
  4. D.Z
Show the answer and explanation

Answer: D (Z)

Explanation

Z is in Group 0, the noble gases, which have full outer shells and are the least reactive elements.