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He was ridiculed for preparing in 1863 the first periodic table of the elements arranged in order of relative atomic masses, and pointing out in 1865 the law of octaves, where every eighth element has similar properties.

  1. John Dalton
  2. Pyotr Mendel
  3. Dmitri Mendeleev
  4. John Newlands

Answer

The correct answer is D) John Newlands.

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