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All the four quantum numbers may not be ...

All the four quantum numbers may not be the same for any two electrons in a single orbital. This is known as

A

Pauli's exclusion principle

B

Hund's rule

C

Aufbau principle

D

n + l rule

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BEYOND PUBLICATION-STRUCTURE OF ATOM-EXERCISE
  1. When 4p orbital in any atom is filled completely,the next electron goe...

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  2. Nitrogen atom has 3 unpaired electrons in its ground state. It can be ...

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  3. All the four quantum numbers may not be the same for any two electrons...

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  4. The n + l value of 3d orbital is

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  5. The atomic number (Z) of an element is 25. In its ground state, how ma...

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  6. What is called the splitting of light into different colours ?

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  7. In an electromagnetic wave electric, magnetic fields areto each other.

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  8. The orbit of least energy

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  9. Among 3p, 4s, 3d, 4p orbitals which has least energy ?

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

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  11. The sub shells present in L shell are

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  12. The maximum value of l for n=5 is

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  13. ‘f’ orbitals are present in

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  14. The number of m1 values for l= 3 is,

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  15. The quantum number which give shape of orbital

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  16. Write an activity which shows metal produces colour in flame.

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  17. When an electron jumps from higher energy state to lower energy state ...

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  18. It is not possible to determine precisely both the position and the mo...

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  19. Quantum mechanical model of an atom was developed

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  20. The space around the nucleus where the probability of finding an elect...

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