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What are isotopes ? How are they represe...

What are isotopes ? How are they represented ?

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What are isotopes ? Give one example .

What are isotopes and what are their characteristics ? Name two isotopes of hydrogen .

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What are isotopes ? Discuss the isotopes of any two elements . How do isotopes and isobars differ ?

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PRADEEP-STRUCTURE OF ATOM-Additional Questions (Short Answer question)
  1. Who discovered neutron?

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  2. Define atomic number and mass number .

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  3. What are isotopes ? How are they represented ?

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  4. Define wave length , frequency and wave number. How is frequency relat...

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  5. Plancks Quantum Theory

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  6. Explain the dual character of light radiations.

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  7. How is the atomic spectra of hydrogen obtained ? Whar are the differen...

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  8. Using the Rydberg formula, calculate the wavelength of the first four ...

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  9. What is the difference between Rydberg formula and Balmer formula?

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  10. What were the drawbacks of Rutherford's model of an atom?

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  11. What do you understand by stationary states ?

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  12. What do you mean by quantisation of electronic energy and angular mome...

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  13. Bohr model cannot explain spectrum of

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  14. How does Bohr modeal explain the simultaneous appearance of a large nu...

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  15. Outline the weaknesses of Bohr's model of atom

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  16. What is meant by dual nature of particles in motion ?

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  17. State de Broglie relationship. For what purpose is it used ?

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  18. Derive de Broglie equation for microscopic particles.

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  19. State de Broglie equation. How would the wavelength of a moving object...

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  20. Derive a relationship between wavelength (lambda) associated with part...

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