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Which scientist discovered that the atomic number, rather than the atomic weight, is more responsible for the properties of an element? (tragically this scientist died soon after as a soldier in wwi.) 1. millikin 2. moseley 3. st. augustine 4. rutherford 5. chadwick?

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Answer:

  • The correct option is Moseley who has discovered the atomic number.

Explanation:

  • In 1913, H. Moseley discovered a new properties of an element atomic number. He observed that elements in the periodic table can be arranged better according to atomic number rather than atomic mass.
  • The atomic number of any elements is always equal to numbers of electrons in it.

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