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Which of the following has largest size ...

Which of the following has largest size ?

A

`H^(-)`

B

`He`

C

`Li^(+)`

D

`Be^(+2)`

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -B)
  1. With which block ""(30)Zn belongs ?

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  2. Out of following which has the highest electronegativity ?

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  3. Which of the following has largest size ?

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  4. Which of the following orbitals has higher screening power ?

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  5. The element which belongs with chalcogen family is

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  6. The element which has highest 2nd ionisation energy is

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  7. An atom with high electronegativity generally has :-

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  8. Ionic radii are

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  9. The first ionisation potential of Na,Mg,Al and Si are in the order

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  10. Which of the following has maximum number of unpaired electrons ?

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  11. Which of the following elements do not belong to the family indicated ...

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  12. If the atomic number of an element is 33, it will be placed in the per...

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  13. Which among the following elements has the highest value for third ion...

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  14. The screening effect of inner electrons of an atom can cause

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  15. The diagonal similarities are due to similar polarising powers for the...

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  16. Which of the following gradation in the properties is false, as we mov...

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  17. The increasing order of electron affinity values of O,S and Se is

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  18. The element which has highest II^(nd) I.E. ?

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  19. The element which has highest electron affinity ?

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  20. Electronegativity of an element is 1.0 on the Pauling scale. Its value...

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