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Question

Who was the first scientist to define an element?


  1. Antoine Laurent Lavoisier

  2. Neils Bohr

  3. J. J Thompson

  4. Ernest Rutherford


Solution

The correct option is A

Antoine Laurent Lavoisier


Antoine Laurent Lavoisier (1743-94), a French chemist, was the first to establish an experimentally useful definition of an element. He defined an element as a basic form of matter that cannot be broken down into simpler substances by chemical reactions.

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