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The sub-shells filled one by one for 4th...

The sub-shells filled one by one for 4th period elements are

A

`3d, 4s and 4p`

B

`4s, 4p and 4d`

C

`4s, 3d and 4p`

D

`3d, 4p and 4s`

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The correct Answer is:
C
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AAKASH SERIES-PERIODIC CLASSIFICATION-OBJECTIVE EXERCISE - 2 (PERIODIC CLASSIFICATION)
  1. The period that contains only gaseous elements is

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  2. Pair of elements with the following atomic numbers have the same chemi...

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  3. The sub-shells filled one by one for 4th period elements are

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  4. The starting element and last element in the largest period in modern ...

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  5. Which of the following has both members from the same period of the pe...

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  6. As per the modern periodic law, the physical and chemical properties o...

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  7. Atomic number of nitrogen is 7. The atomic number of the third member ...

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  8. Element with atomic number 38, belongs to

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  9. Set of elements with the following atomic numbers belong to the same g...

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  10. The element which belong to 3rd period and IVA group of periodic table...

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  11. Screening by inner electrons will be more effective in

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  12. Which of the following pairs has elements containing same number of el...

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  13. The period that includes all blocks of elements is

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  14. Among s-block metals and transition metals, which are more metallic?

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  15. Element with atomic number 52 belongs to

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

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

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

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

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

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