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The general electronic configuration of ...

The general electronic configuration of f-block elements is

A

`ns^2 np^6 (n -1) d^(0-1) (n - 2) f^(1-14)`

B

`ns^2 (n-1)d^(0,1) (n-2)f^(1-14)`

C

`ns^2 nd^(0,1) nf^(1-14)`

D

`ns^2 (n-1)d^(0,1) (n-1) f^(1-14)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 2 (PERIODIC CLASSIFICATION)
  1. Element with atomic number 52 belongs to

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  2. The period number and group number in which maximum number of elements...

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  3. The general electronic configuration of f-block elements is

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  4. The common oxidation state exhibited by inner transition elements usua...

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  5. The pair of atomic numbers which represent the p-block elements

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  6. Which of the following is an element present in the d-block, but not a...

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  7. Which of the following is an alloy of non-transition elements?

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  8. Common oxidation state of elemental transition metal is

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  9. Configuration that does not denote a transition element

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  10. An element of 5f-series but has no electrons filled in 5f-sub shell

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  11. An element has 18 electrons in the outer most shell. The element is

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  12. Element with electronic arrangement [Ar]3d^24s^2 belongs to

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  13. Number of outer shells partially filled for representative elements

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  14. Which of the following pairs has both members from the same group of t...

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  15. The elements with atomic number 10, 18, 36, 54 and 86 are all

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  16. Among the following, the number of elements showing only one non-zero ...

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  17. Following are some statements about modern periodic table i) It con...

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  18. The atomic number of the element which is not included in the main bod...

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  19. Match the Column {:("Column - I ","Column - II "),("a) Po ","i) Liqu...

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  20. Zinc is not considered as a transition metal because

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