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JAMB Chemistry 2005 Question 44

Question 44

Periodic Table

The most abundant element on the earth's crust is

  1. A.nitrogen
  2. B.hydrogen
  3. C.oxygen
  4. D.fluorine
Show the answer and explanation

Answer: C (oxygen)

Explanation

Oxygen makes up nearly half of the earth's crust by mass, mostly combined in silicates and oxides.