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Electrons revolve around the nucleus in ...

Electrons revolve around the nucleus in fixed orbits or shells called energy levels'. State how these energy levels are represented.

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The correct Answer is:
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Because each orbit is associated with definite amount of energy
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CENGAGE CHEMISTRY ENGLISH-ATOMIC STRUCTURE-Concept Applicationexercise(4.2)
  1. Electrons revolve around the nucleus in fixed orbits or shells called ...

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  2. Why energy level are also know as stationary state ?

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  3. An electron jump from the fourth energy level to the first energy l...

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  4. Is the angular momentum of an electron in an atom quantized ? Expla...

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  5. What is the energy of the electron in He+ ion in the ground state ?

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  6. An electron is to be removed from the first energy level of hydrogen...

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  7. With the help of Bohr 's model , calculate the second ionisation ene...

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  8. Calculate the momentum of a particle which has a de Broglie wavelength...

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  9. Calculate the wavelength a particle of mass m = 6.6 xx 10^(-27) kg mov...

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  10. What must be the velocity of a beam of electron if they are to displa...

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  11. A beam of alpha particle moves with a velocity of 3.28 xx 10^(3) m s...

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  12. Calculate the de Broglie wavelength of an electron travelling at 1% o...

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  13. For a given kinetic energy, which of the following has the smallest de...

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  14. What should be the ratio of the velocity of CH(4) and O(2) molecules...

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  15. Why don't we observe the wave properties of large objects such as ...

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  16. What would be the uncertainty in momentum of an electron whose positio...

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  17. Describe the difference between the properties of line electron and...

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  18. Using Heisenberg's uncertainty principle, calculate the uncertainty in...

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  19. Calculate the unceertainty in the momentum of a particle if the unce...

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  20. If an electron is , to be located within 10 pm what will be the uncer...

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