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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.
Multiple Choice Questions
The outermost shell of an atom is known as
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
WRITE SHORT ANSWER
What do you mean by electron transition?
Name the negatively charged particle present in the atoms of all the elements.
Fill in the blank of the following statement :
The electron has _________ charge, the proton has _________ charge, and the neutron has _________ charge.
Define the term Mass number.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
