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The electronic configuration of gadolini...

The electronic configuration of gadolinium (Atomic number 64) is

A

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

B

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

C

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

D

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

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NARAYNA-PERIODIC TABLE -All Questions
  1. Ionization energies of five elements of same period in kcal/mol are gi...

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  2. Which of the following is not an actinoid?

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

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  4. The statement that is not correct for periodic classification of eleme...

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  5. The period number in the long form of the periodic table is equal to

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  6. The elements in which electrons are progressively filled in 4f-orbital...

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  7. The formation of oxide ion O^(2-)(g) from oxygen atom requires first a...

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  8. Electronic configuration of four elements p,q,r and s are given below ...

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  9. All transition elements are d-block elements, but all d-block elements...

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  10. Identify the group nad valency of the elements having atomic number 11...

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  11. Among the elements B,Al,C and Si a. Which has highest IE(1) ? b. W...

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  12. Match the correct atomic radius with the element, in the increasing or...

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  13. Match the correct ionisation enthalpies and electron gain enthalpies o...

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  14. Electronic configuration of some elements is given in Column I and the...

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  15. Which of the following elements can show covalency greater than 4?

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  16. Those elements impart colour to the flame on heating in it, the atoms ...

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  17. Which of the following sequences contain atomic numbers of only repres...

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  18. Which of the following elements will gain one electron more readily co...

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  19. Which of the following statements are correct ?

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  20. Which of the following is not the correct arrangement according to the...

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