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The electronic configuration of gadolini...

The electronic configuration of gadolinium (Atomic number 64) is

A

`[Xe]4f^(8)5d^(9)6s^(2)`

B

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

C

`[Xe] 4f^(3) 5d^(5) 6s^(2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...

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  2. The correct arrangement of increasing order of atomic radius among Na,...

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  3. The electronic configuration of gadolinium (Atomic number 64) is

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  4. A sudden large jump between the values of second and third ionisation ...

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  5. The ionic radii of N^(3-) O^(2-), F^-, N^+ follows the order

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  6. In the following, the element with the highest electropositivity is

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  7. Collective name given to the elements with outer shell configuration n...

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  8. In the periodic table, the element with atomic number 16 will be place...

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  9. Ca^(2+) is isoelectronic with

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  10. which of the following configurations represents atoms of the elements...

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  11. Gradual addition of electronic shells in the noble gases causes a decr...

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  12. The correct sequence of elements in the decreasing order of first ioni...

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  13. Which of the following statements is correct?

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  14. The correct order of electron affinity of B , C , N and O is

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  15. Which of the following electronic configurationsis of transition eleme...

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  16. The atomic radius of elements of which of the following series would b...

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  17. With reference to ionisation potential which one of the following sets...

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  18. Which of the following species has the highest ionization potential

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  19. The radii of F,F^(-),O and O^(-2) are in the order of

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  20. Which has maximum first ionization potential?

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