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Element with atomic number 38, belongs t...

Element with atomic number 38, belongs to

A

`3d^(5)`

B

`3d^(5) 4s^(2)`

C

`3d^(2) 4s^(1) 4p^(1)`

D

`3d^(2) 4s^(2) 4p^(1)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
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  2. The total number of 'p' electrons present in phosphorous atom is

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  3. Element with atomic number 38, belongs to

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  4. Among N^(-3), O^(-2), F^(-), Na^(+), Mg^(+2) and Al^(+3) (a) What is...

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  5. The number of unpaired electrons in the valance shell of silicon is

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  6. a) An orbital can hold only two electrons b) An orbital must have e...

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  7. Which of the following electronic configuration corresponds to an iner...

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  8. The rule that explain the reason for chromium to have [Ar]3d^(5)4s^(1)...

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  9. Which of the following configuration is not possible ?

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  10. Which of the following ions is not isoelectronic with O^(2-)

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  11. Number of valence electrons in carbon is

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  12. The number of unpaired electrons in Fe^(3+) ion are

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  13. The number of unpaired electrons in 1s^(2) 2s^(2) 2p^(3) is

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  14. Bohr's basic idea of discrete energy levels in atorns and the of Photo...

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  15. The number of d-electrons retained in Fe^(3+) (At. No. of Fe = 26) ion...

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  16. Which of the following is the correct electronic configuration of Fe^(...

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  17. The configuration of chromium atom in ground state is

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  18. The number of unpaired electrons in 1s^(2)2s^(2)2p^(3) is

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  19. Number of unpaired electrons in the electronic configuration 1s^(2)2^(...

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  20. Which of the following is not a fundamental particle ?

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