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The following species has the lowest num...

The following species has the lowest number of electrons in the valence shell

A

`O^(2-)`

B

S

C

`N^(3-)`

D

`Cl^(-)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 2B
  1. Which of the following sets of quantum numbers represents the highest ...

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  2. Which of the following elements has least number of electrons in its "...

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  3. The atomic number (Z) of an element is 25. In its ground state, how ma...

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  4. The following species has the lowest number of electrons in the valenc...

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  5. The number of unpaired electrons present in the first excited state of...

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  6. The number of electrons in M-shell of an element with atomic number 24...

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  7. The atomic number of an element is 35. what is the total number of ele...

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  8. If the atomic number of an element is 36, the number of electrons pres...

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  9. The number of unpaired electrons present in palladium (Z=46) atom is

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  10. Which of the following has maximum number of unpaired electrons (atomi...

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  11. Which one of the following has more number of unpaired d-electrons ?

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  12. Which of the following statements is relation to the hydrogen atom is ...

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  13. Which of the following pair of atoms/atom, ions having identical groun...

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  14. The number of d-electrons in Fe^(2+) ion is

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  15. Which one of the following ions has same number of unpared electrons a...

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  16. Fe is converted to Fe^(2+), the decreases in the number of electrons w...

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  17. Hydride ions is isoelectronic with

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  18. The electronic configuration of Gadolinium (At. No.64) is

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  19. Which of the following has maximum number of unpared electrons?

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

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