The periodic classification of elements is an arrangement of the elements in order of their

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Chemistry JAMB 1978

The periodic classification of elements is an arrangement of the elements in order of their

  • Atomic Weights
  • Isotopic Weights
  • Molecular Weights
  • Atomic Numbers checkmark
  • Atomic Masses

The correct answer is: D

Explanation

Henry Moseley arranged the elements in the periodic table by their atomic number and this gave rise to the statement of the modern periodic law

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