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Which of the following is true according...

Which of the following is true according to quantum mechanical model of an atom?

A

It was proposed by Erwin Schrodinger.

B

Simultaneously the position and velocity of and electron cannot be be measured accurately.

C

Electrons are present in a particular region around the nucleus

D

All are correct

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BEYOND PUBLICATION-STRUCTURE OF ATOM-EXERCISE
  1. The electronic configuration of nitrogen in denoted as This violates

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  2. For an atom Sommerfeld picture is

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  3. Which of the following is true according to quantum mechanical model o...

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  4. Principal quantum number is related to

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  5. Which of the following alloys contains Cu and Zn ?

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  6. n and 'l' values for some orbitals are given. Which of the following o...

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  7. Which of the following is violation of Pauli's exclusion principle ?

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  8. When electric charge vibrates are produced.

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

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  10. Select the correct answer. 'Electromagnetic energy can be gained or ...

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  11. Which of the following is a failure of Bohr’s atomic model?

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  12. Contribution of Summerfield to be model of atom

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  13. The quantum number which explains about size and energy of the orbit o...

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  14. If n=3, the main shell is

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  15. If, n = 3, the maximum value of l is:

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  16. The value of l for n = 2 are

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  17. The orientation of orbital in space relative to the other orbitals in ...

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  18. For a given value of ‘l’ the number of integer values of ml are

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  19. The clock wise or anticlockwise orientation of electron in an orbit is...

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  20. Which of the following is not a correct set of quantum numbers?

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