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JAMB Chemistry 2008 Question 8

Question 8

Atomic Structure

The atom of an element X is represented as YZX. The basic chemical properties of X depend on the value of

  1. A.Y
  2. B.Z
  3. C.Y − Z
  4. D.Z − Y
Show the answer and explanation

Answer: B (Z)

Explanation

Z is the atomic number, which fixes the number of electrons and so how the atom reacts. Y (mass number) and Y − Z (neutrons) do not affect chemical properties.