Multiple choice

Which of the following inferences was deduced from observations of Rutherford's experiment?

  1. Most of the space inside atom is empty.

  2. Neutrons are present in an atom.

  3. Atomic mass is determined by protons and neutrons.

  4. Number of protons is equal to number of electrons.
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A Correct answer
Explanation

Most of X-rays in Rutherford's experiment went undeflected, which concludes that most of the space inside an atom is empty.

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