Which of the following conclusions could not be derived from Rutherford’s α -particle scattering experiement? - Chemistry


Which of the following conclusions could not be derived from Rutherford’s α -particle scattering experiment?


  • Most of the space in the atom is empty.

  • The radius of the atom is about 10–10 m while that of nucleus is 10–15 m

  • Electrons move in a circular path of fixed energy called orbits.

  • Electrons and the nucleus are held together by electrostatic forces of attraction.



Electrons move in a circular path of fixed energy called orbits.


As per Rutherford’s α-particle scattering experiment the nucleus is surrounded by electrons that move around the nucleus with a very high speed in circular paths called orbits. It does not mention the energy or stability of the electrons revolving around the nucleus.

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Chapter 2: Structure of Atom - Multiple Choice Questions (Type - I) [Page 14]


NCERT Exemplar Chemistry Class 11
Chapter 2 Structure of Atom
Multiple Choice Questions (Type - I) | Q 1 | Page 14

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On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?

What do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?

Put tick (✓) against correct choice and cross (×) against wrong choice in following question.

Rutherford’s alpha-particle scattering experiment was responsible for the discovery of

(a) Atomic nucleus

(b) Electron

(c) Proton

(d) Neutron

In Rutherford’s experiment, generally the thin foil of heavy atoms, like gold, platinum etc. have been used to be bombarded by the α-particles. If the thin foil of light atoms like aluminium etc. is used, what difference would be observed from the above results?

Which part of an atom was discovered by Rutherford's alpha particle scattering experiment?

(a) What is the nucleus of an atom and what is the nature of charge on it?

(b) Name the scientist who discovered the nucleus of atom.

Name the particles used by Rutherford in his experiment on the discovery of nucleus. Also state the charge on these particles.

Describe the Rutherford's model of an atom. State one drawback of Rutherford's model of the atom.

Draw a neat labelled diagram

Rutherford's scattering experiment

State true or false. If false, correct the statement.

In an atom, electrons revolve around the nucleus in fixed orbits.

How was it shown that atom has empty space?

What conclusions were made from the observations of Gold foil experiment?

Which of the following statements about Rutherford’s model of atom are correct?

(i) considered the nucleus as positively charged

(ii) established that the α–particles are four times as heavy as a hydrogen atom

(iii) can be compared to solar system

(iv) was in agreement with Thomson’s model

Enlist the conclusions drawn by Rutherford from his α-ray scattering experiment.

What were the drawbacks of Rutherford’s model of an atom?

Proton was discovered by ______.

Rutherford used beta particles in his scattering experiments.

Higher-Order Thinking skills: (HOTS)

In Rutherford's experiment of scattering alpha particles, can we take a foil of any other metal instead of gold?

Higher-Order Thinking skills: (HOTS)

How Rutherford’s model is different from that proposed by J.J. Thomson?

Gold foil alpha particle scattering experiment was performed by ______.

In Rutherford’s experiment, the bouncing of alpha particles suggests that the nucleus of an atom is negatively charged.

Rutherford’s model of an atom has a very small ______ at the center.

To study the internal structure of the atom, Rutherford used ______.

Which of the following is NOT true in Rutherford's nuclear model of atom?

In Geiger - Marsden scattering experiment, the trajectory traced by an α-particle depends on ______.

When an α-particle happens to come near a nucleus the intense electric field of these scatters it through a large angle then what is the effect of atomic electrons on α-particle?

The Rutherford α-particle experiment shows that most of the α-particles pass through almost unscattered. While some are scattered through large angles. What information does it give about the structure of the atom?


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