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NEETChemistryClassification of Elements and Periodicity in Properties

Who developed the Modern Periodic Law?

Options

  1. ADmitri Mendeleev
  2. BHenry Moseley
  3. CErnst Mayr
  4. DNeils Bohr

Correct answer

B. Henry Moseley

Step-by-step solution

In 1913, the English physicist, Henry Moseley, observed regularities in the characteristic X-ray spectra of the elements and modified Mendeleev's Periodic Law, leading to the development of the Modern Periodic Law.

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