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JAMB Chemistry 2021 Question 4

Question 4

Periodic Table

In the periodic table, the arrangements is in order of their

  1. A.atomic weights
  2. B.molecular weights
  3. C.atomic numbers
  4. D.isotopic weights
Show the answer and explanation

Answer: C (atomic numbers)

Explanation

The modern periodic table arranges elements in order of increasing atomic number (number of protons).