Home » Chemistry » Periodic classification of element » Question
  1. Modern periodic table is based on atomic number of the elements. The significane of atomic number was proved by the experiment of
    1. Moseley's work on X-ray spectra
    2. Bragg's work on X-ray diffraction
    3. Mulliken's oil drop experiment
    4. Discovery of X-ray by Roentgen
Correct Option: A

NA



Your comments will be displayed only after manual approval.