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Nickel atom can lose two electrons to fo...

Nickel atom can lose two electrons to form `Ni^(2+)` ion. The atomic number of nickel is 28. From which orbital will nickel lose two electrons?

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The electronic configuration of nickel is
`Ni : [Ar] 3d^2 4s^2`
It will lose two electrons form `4s` orbital.
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MODERN PUBLICATION-STRUCTURE OF ATOM-Conceptual Questions 2
  1. Explain the meaning of the symbol 4d^6.

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  2. Total number of nodes present in 4d-orbitals will be:

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  3. What is the lowest shell which has an f-subshell?

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  4. Name the quantum number which does not follow from the solution of Sc...

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  5. What is the angular momentum of 5th orbit according to Bohr's theor...

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  6. How are d^(xy) and d(x^(2)-y^(2)) orbitals related to each other ?

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  7. How many electrons can be filled in all the orbitals with n+l=5 ?

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  8. Write n, l and ml values for (i) 3s (ii) 2py, (iii) 4pz

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  9. d(z^(2)) orbital has zero electron density in xy-plane. Comment.

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  10. Match the quantum numbers with the information provided by these. {:...

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  11. What physical meaning is attributed meaning is attributed to the squar...

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  12. Discuss the similarities and differences between a 1s and 2s orbital.

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  13. What is the difference between the notations l and L ?

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  14. How many electrons in an atom may have the following quantum number ? ...

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  15. For each of the following pair of hydrogen orbitals, indicate which is...

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  16. Which orbital in each of the following pairs is lower in energy in a m...

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  17. Nickel atom can lose two electrons to form Ni^(2+) ion. The atomic num...

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  18. Which of the following orbitals are degernate? 3d(xy),4d(xy),3d(z^(...

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  19. Calculate the total number of angular nodes and radical nodes present ...

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  20. The arrangement of orbitals on the basis of energy is based upon their...

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