R

Renu Phogat • 1.50K Points
Master Chemistry 

Q. Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of ________

  • (A) Moseley's work on X-ray spectra
  • (B) Bragg's work on X-ray diffraction
  • (C) Mulliken's oil drop experiment
  • (D) Discovery of X-ray by Roentgen
Correct Answer - Option(A)

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