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The values of quantum numbers n, l and m...

The values of quantum numbers n, l and m for the fifth electron of boron is

A

n=2, l=1, m = -1

B

n=2, l=0, m = -1

C

n=2, l=2, m = -1

D

n=1, l=2, m = -1

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Level - I (MAIN) (Exercise -IV (Quantum numbers))
  1. The spin quantum number has a value of

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  2. When there are two electrons in the same orbital they have the spins

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  3. The values of quantum numbers n, l and m for the fifth electron of bor...

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  4. When n=3 and l=1, the designation given to the orbital is

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  5. Which of the following designation is impossible ?

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  6. l = 3, then the values of magnetic quantum numbers are

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  7. For a of orbital, the values of m are

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  8. The impossible set of quantum number is

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  9. Which of the following quantum numbers are not possible ?

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  10. The correct set of quantum numbers for the unpaired electron of chlori...

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  11. The two electrons occupying an orbital are distinguished by

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  12. Which of the following sets of quantum number is correct for an elect...

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  13. The set of quantum numbers not applicable to an electron is

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  14. For the p(z) orbital, conventionally m is

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  15. For the d(z^(2)) orbital the value of m may be

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  16. The quantum number not obtained from the Schrodinger.s wave equation i...

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  17. A given orbital is labelled by the magnetic quantum number , m = -1. T...

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  18. The shape of orbital for which l = 1 is

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  19. The maximum number of electrons in a sub-shell is given by the express...

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  20. The magentic quantum number, m for the outermost electron in the sodiu...

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