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प्रश्न
State its one drawback of Rutherford’s atomic model.
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उत्तर
Rutherford’s atomic model could not explain the stability of the atom as it is like a solar system, the sun is at the centre and the planets revolve around it, in an atom the electrons revolve around the centrally located nucleus containing protons.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
The outermost shell of an atom is known as
What are the two main parts of which an atom is made of?
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Compare a proton and a neutron in respect of mass and charge.
Define the term Valence shell.
With reference to the discovery of the structure of an atom, explain in brief – William Crookes experiment for the discovery of cathode rays, followed by – J.J. Thomsons experiment pertaining to the constituents of the cathode rays. State which sub-atomic particle was discovered from his experiment.
