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Gadolinium belong to 4 f series (Z=64). ...

Gadolinium belong to 4 f series `(Z=64)`. Which of the following is its correct electronic configuration ?

A

`[Xe] 4f^7 5d^1 6s^2`

B

`[Xe] 4f^6 5d^2 6s^2`

C

`[Xe] 4f^8 6d^2`

D

`[Xe] 4f^9 5s^1`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The pair of compounds that cannot exist together is :

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  2. Magnetic moment of 5.92 B.M. is given by which of the following ion ...

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  3. Gadolinium belong to 4 f series (Z=64). Which of the following is its ...

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  4. Because of lanthanoid contraction, which of the following pairs of ele...

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  5. Which one of the following statement is correct when SO2 is passed thr...

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  6. The outer shell electronic configuration of Gd (Z = 64) is

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  7. Draw lewis dot structure of PH3

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  8. The correct order of ionic radii of Y^(3+), La^(3+), Eu^(3+) and Lu^(3...

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  9. Write ionic equation showing KMnO4 acting as an oxidising agent in aci...

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  10. Which of the following pairs of transition metal ion s are the stronge...

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  11. What is the maximum oxidation state shown by Manganese in its compound...

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  12. Write the coordination number of central atom in the following coordin...

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  13. The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are resp...

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  14. Among the following series of transition metal ions the one where all ...

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  15. Answer the following: Aqueous solution of Ti^(4+) is colourless, but a...

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  16. The oxidation state of chromium in the final product formed by the rea...

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  17. The spin only magnetic moment (in units of Bohr magneton) of Ni^(2+)...

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  18. What is the coordinate number of the central metal ions in the followi...

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  19. Draw lewis dot structure of SiCl4

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  20. In context of the lanthanoids, which of the following statement is not...

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