Question

Give Drawback on Rutherford model of atom (plz net se mat taapna ) points me hosake to answer do​

Answer 1

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The following are the Drawbacks of Rutherford atomic model:-

• Inability to explain the stability of atom.
• Inability to explain the concept of electronic configuration and energy levels of shell
• Inability to explain the properties of atoms to form molecule.

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Answer 2

Explanation:

Rutherford atomic model was the first step in the evolution of the modern atomic model. Ernest Rutherford was a keen scientist who worked to understand the distribution of electrons in an atom. He performed an experiment using alpha particles and gold foil and made the following observations:

Most of the alpha particles passed straight through the gold foil.

There was a deflection of the alpha particles by a small angle.

Very small amount of alpha particles rebounded.

Rutherford Atomic Model

Rutherford developed a nuclear model of the atom on the basis of his experiment and observations. The Rutherford atomic model has the following features:

The centre of an atom is called the nucleus. It is positively charged and almost all mass of the atom resides in it.

Electrons spin around the nucleus in a circular path.

Comparatively, the size of the nucleus is smaller than the size of the atom.

Rutherford Atomic Model

Drawbacks of Rutherford Atomic Model

As before, the Rutherford atomic model was also challenged and questioned by many. Rutherford atomic model failed to explain about the stability of electrons in a circular path.

As per Rutherford’s model, electrons revolve around the nucleus in a circular path. But particles that are in motion on a circular path would undergo acceleration, and acceleration causes radiation of energy by charged particles. Eventually, electrons should lose energy and fall into the nucleus.

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