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Question

What was proven to exist in an atom, by Rutherford's gold foil experiment?

This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is

Nucleus

Rutherford's gold foil experiment proved the existence of a dense, positively charged nucleus at the centre of the atom.

The electron, neutron and proton were established through other separate experiments, not this specific gold foil scattering experiment.

Hence, Nucleus is the correct answer.

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Similar Questions

  1. How many neutrons are present in protium?
  2. What is the electronic configuration of rhodium?
  3. Name the scientist who proposed that electrons are embedded in a positive sphere.
  4. Valence electrons are present in the:
  5. Isotopes are atoms that have the __________.
  6. The atomic number of an element is the number of _______ in the nucleus of each atom of that element.
  7. The term 'Isotope' refers to:-
  8. There are three isotopes of hydrogen atom, namely Protium, Deuterium and Tritium. The respective atomic number and mass number of the isotope Tritium is:
  9. Atomic weight of an element is compared with which of the following to get the atomic weight of that element?
  10. The discovery of the atomic nucleus by bombarding a thin gold foil with alpha particles is associated with which of the following scientists?


Important Questions from Structure of Atom

  1. Identify the element having zero valency

  2. The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium?

  3. An atom of carbon has 6 protons. Its mass number is 12. How many neutrons are present in an atom of carbon?

  4. What is the atomic number of nitrogen?

  5. What are isobars?

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