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All the elements in a group in the perio...

All the elements in a group in the periodic table have the same

A

atomic mass

B

number of protons

C

mass number

D

number of electrons for bonding

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The correct Answer is:
D
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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which of these does not reflect the periodicity of the elements

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  2. Which of the following pairs of atomic numbers represent elements belo...

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  3. All the elements in a group in the periodic table have the same

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  4. The elements in which 4f orbitals are progressively filled up are call...

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  5. Which of the following elements does not belong to first transition se...

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  6. The name of 'rare earths' is used for

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

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

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

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

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

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

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  13. which ion possessses the smallest radius?

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

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

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

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  17. The correct order of decreasing first ionization energy is

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  18. The correct order of electron affinity is

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

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

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