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What is the group no.of an element havin...

What is the group no.of an element having atomic no.105?

A

5

B

16

C

15

D

4

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The correct Answer is:
A
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. The name of 'rare earths' is used for

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  2. In genral outer electronic configuration of the elements of group ViB ...

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  3. What is the group no.of an element having atomic no.105?

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  4. Which of the following ionic radius would be maximum?

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  5. The decreasing order of size of the following ions is

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  6. Na+,Mg^(++),Al^(+3),Si^(+4) are isoelectronics the order of their ioni...

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  7. The covalent and van der waals radii of hydrogen respectively are

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  8. which ion possessses the smallest radius?

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  9. Which of the following isoelectronic ions has lowest ionization energy...

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  10. The first ionization potential in electron volts of nitrogen and oxyge...

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  11. The first ionization potential of Na,Mg,Al and Si are in the order

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  12. The correct order of decreasing first ionization energy is

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  13. The correct order of electron affinity is

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  14. The correct ordrr of electron affinity among the following is

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  15. The lower electron affinity of fluorine than that of chlorine is due t...

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  16. Electron affinity of inert gases is

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  17. Which of the following has the highest electron affinity?

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  18. The electronegativity follows the order

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  19. Which of the following elements represent highly electropositive as we...

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  20. Electronegativity values for element are useful in predicting :

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