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In-1911, the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting pisitively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold that it was

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Important Questions on Atoms, Molecules and Nuclei

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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 17
The chemical behaviour of an atom is governed by its:
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 19
If in the first orbit of a hydrogen atom the total energy of the electron is -21.76×10-19 J, then its electric potential energy will be:
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 20
Electrons in the atom are held due to
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 21

Assertion: Neutrons penetrate matter more readily as compared to protons.

Reason: Neutrons are slightly more massive than protons.

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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 23
According to the Rutherford's atomic model, the electrons inside the atom are
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 24
An alpha nucleus of energy 12mv2 bombards a heavy nuclear target of charge Ze. Then the distance of the closest approach for the alpha nucleus will be proportional to
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 25
In Rutherford scattering experiment, what will be the correct angle for α scattering for an impact parameter b=0?
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Physics Crash Course MHT-CET>Chapter 23 - Atoms, Molecules and Nuclei>Exercise 1>Q 29
Rutherford's atomic model was unstable because