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Copper(I) is diamagnetic but copper(II) ...

Copper(I) is diamagnetic but copper(II) is paramagnetic-why?

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No unpaired electron in Cu (I) but CU (II) contains one unpaired electron.
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-EXERCISE (SHORT TYPE QUESTIONS)
  1. Write three differences between rugherford's atomic model and Bohr's a...

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  2. Calculate the wavelength of the spectral line having minimum energy in...

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  3. The total energy of an electron in an atom is negative'-what does it s...

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  4. The number of electrons in K, L and M-shell of an atom are 2.8 and 5 r...

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  5. Indicate one application of wave property of electron.

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  6. Heisenberg's uncertainty principle is not applicable to particles havi...

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  7. Write Schrondinger's wave equation and indicate the significance of di...

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  8. Half-filled and fully filled orbitals have extra stability. Explain.

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  9. Copper(I) is diamagnetic but copper(II) is paramagnetic-why?

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  10. An element has the electronic configuration [Ar]3d^(4) at its +3 oxida...

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  11. Calculate the numbe of unpaired electrons in Pd(Z=46).

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  12. Show that the third shell may contain a maximum of 18 electrons.

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  13. Is there any existence of 3f-subshell in any atom?

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  14. How many electrons in the Cl-atom at the most can have value, n+l=3?

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  15. Between Cu^(2+) and Fe^(2+), which one is more paramagnetic?

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  16. In the atom of an inert gas, the difference between the number of p-el...

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  17. Which atoms are indicated by the following configurations? (i) [He]2...

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  18. Atomic number of the element M is 29. write the electronic configurati...

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  19. How many types of sub-shells are present in the fourth energy level of...

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  20. What is the maximum number of electrons that can be accommodated in th...

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