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What is an orbital according to quantum ...

What is an orbital according to quantum mechanical model?

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Region around the nucleus having maximum probability of finding on electron.
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-EXERCISE (VERY SHORT TYPE QUESTION)
  1. How many neutrons are present in ""(20)^(40)Ca^(2+) ion?

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  2. What is the nature of hydrogen spectra?

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  3. Mention one ion that obeys Bohr's theory.

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  4. Write the relationship between wavelength and momentum of a moving mic...

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  5. Indicate the limitation of de Broglie equation.

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  6. Is the uncertainty principle applicable to stationary electron?

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  7. Energy associated with which of the following waves is not quantised? ...

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  8. What is an orbital according to quantum mechanical model?

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  9. How do you specify an electron in an atom?

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  10. What is the maximum number of electrons in the 'n' th orbit?

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  11. Which is the lowest energy level containing 'g' sub-shell?

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  12. Identify the orbital with n=4 and l=0.

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  13. Which 'd'-orbital does not contain four lobes?

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  14. Which quantum number describes the shape of an electron?

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  15. Write the electronic configuration of Mn^(2+) ion.

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  16. What is the total number of nodes in 3d-orbital?

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  17. Which subshell has the lowest screening power?

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  18. Which quantum number is used to distinguish between the electron prese...

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  19. What are the quantum numbers used to indicate size and shape of orbita...

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  20. State the condition under which electronic energy is considered to be ...

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