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

Chemistry
JAMB 1978

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

  • A. Atomic Weights
  • B. Isotopic Weights
  • C. Molecular Weights
  • D. Atomic Numbers
  • E. Atomic Masses
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Correct Answer: Option 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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