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Who proposed the spectrum of hydrogen at...

Who proposed the spectrum of hydrogen atom ?

A

Bohr

B

Sommerfeld

C

Planck

D

Lande

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BEYOND PUBLICATION-STRUCTURE OF ATOM-EXERCISE
  1. 1s^2 2s^2 2p^1 is the electronic configuration of

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  2. Which of the following elements have high atomic weight ?

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  3. Who proposed the spectrum of hydrogen atom ?

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  4. How many number of orbitals are there in the sub-shell of a magnetic q...

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  5. The values of spin quantum numbers are (ms)

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  6. Name the principle , which says an orbital can hold only 2 electrons a...

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  7. What is the shape of p-orbital ?

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  8. Principal quantum number is related to

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  9. Is there any rule to find the maximum number of electrons in any shell...

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  10. Which quantum number describes the orientation of the orbital in space...

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  11. If both spin quantum number values are positive then the spins are

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  12. Among 3s, 3p,4s, 3d which has lowest energy?

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  13. What is the shape of s-orbital ?

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  14. Which of the following produces yellow light ? a) Sodium lamp b)...

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  15. Who modified Bohr‘s theory by introducing elliptical orbits for electr...

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  16. The range of wavelengths converging red colour to violet colour is cal...

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  17. Which of the following is responsible to rule out the existence of def...

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  18. Total number of orbitals associated with third shel would be

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  19. Orbital angular momentum depends upon

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  20. Which of the following shell has least energy?

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