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Total number of unpaired electrons in an...

Total number of unpaired electrons in an atom of atomic number 29 is

A

1

B

3

C

4

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
Atomic number of Cu is 29 so number of unpaired electrons is 1
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Quantum Number, Electronic Configuration and Shape of Orbitals)
  1. The outer electronic structure of 3s^2 3p^5 is possessed by

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  2. Which of the following electronic configuration is not possible accord...

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  3. Total number of unpaired electrons in an atom of atomic number 29 is

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  4. v41newFlow

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  5. Which of the following ions has the maximum number of unpaired d-elect...

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  6. Which of the following options does not represent ground state electr...

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  7. The pair of ions having same electronic configuration is.

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  8. Correct energy value order is

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  9. Out of the following electronic arrangements for outer electronic conf...

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  10. Probability of finding an electrons at the nodal surface is

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  11. Maximum number of electrons in a sub-shell of an atom is determined by...

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  12. Which orbital give an electron the greatest probability of being found...

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  13. The valency of the element having atomic number 9 is

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  14. A completely filled d -orbital (d^(10)) is

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  15. Number of unpaired electrons in Mn^(4+) is

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  16. Number of nodal centres for 2s orbital

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  17. p-orbitals of an atom in presence of magnetic field are

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  18. The orbital with maximum energy is

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  19. The correct orders of increasing energy of atomic orbitals is

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  20. An ion has 18 electrons in the outermost shell it is

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