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Chemistry Hard css

Which scientist proposed the modern periodic law?

  • A Antoine Lavoisier
  • B John Dalton
  • C Dmitri Mendeleev
  • D Henry Moseley
Correct Answer: Option D — Henry Moseley
Explanation:
Henry Moseley formulated the modern periodic law based on atomic number rather than atomic mass, which Mendeleev had originally used. Mosele...
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