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Which of the following statements are correct or incorrect according to the Bohr’s atomic model? Give a reason for each statement. (i) Electrons lose energy while moving in fixed orbits and slowly fall into the nucleus. (ii) Electrons can exist anywhere around the nucleus with no fixed energy. (iii) Electrons revolve around the nucleus in orbits of fixed energy without losing energy. (iv) Electrons can be found between energy levels as they move around the nucleus.
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- (i) Incorrect — in Bohr’s model, electrons in fixed orbits do not lose energy, so they do not fall in.
- (ii) Incorrect — electrons cannot exist anywhere; they have only fixed, definite energies .
- (iii) Correct — electrons revolve in orbits of fixed energy without losing energy.
- (iv) Incorrect — electrons cannot be found between energy levels.
