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. - Chemistry

Short Note

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?



A thin foil of lighter atoms will not give the same results as given with the foil of heavier atoms.

Lighter atoms would be able to carry very little positive charge. Hence, they will not cause enough deflection of α-particles (positively charged).

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Chapter 2: Structure of Atom - EXERCISES [Page 71]


NCERT Chemistry Part 1 and 2 Class 11
Chapter 2 Structure of Atom
EXERCISES | Q 2.40 | Page 71

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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?

What are the limitations of Rutherford’s model of the atom?

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

What important information is furnished about the nucleus of an atom by the alpha particle scattering experiment of Rutherford?

(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.

Rutherford's alpha particle scattering experiment led to the discovery of :

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?

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

In what way is the Rutherford’s atomic model different from that of Thomson’s atomic model?

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?

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

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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