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The recently discovered element Db (Z=10...

The recently discovered element Db (Z=105) belongs to

A

s

B

p

C

d

D

f-block of elements.

Text Solution

Verified by Experts

The correct Answer is:
C
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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-MULTIPLE CHOICE QUESTIONS (LEVEL -II)
  1. A sudden jump between second and third ionisation enthalpies of an ato...

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  2. The electronic configuration of the element which is just above the el...

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  3. The correct values of ionisation energies of Si, P, Cl and S are respe...

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  4. The element which has greastest difference between first and second io...

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  5. In a group of the periodic table, the elements possess:

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  6. The process requiring the absorption of energy is:

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  7. In the isoelectric species the ionic radii (Å) of N^(3-) O^(2-) and F^...

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  8. The correct order of negative electron gain enthalpy of the elements o...

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  9. In which of the following carbon has maximum electronegativity?

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  10. The recently discovered element Db (Z=105) belongs to

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  11. The correct order of 1st ionisation enthalpy among the following eleme...

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  12. The ions O^(2-), F^(-),Na^(+),Mg^(2+)and Al^(3+) are isoelectric. Thei...

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  13. Which of the following arrangement represents correct order of electro...

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  14. The correct order regarding the electronegativity of hybrid orbitals o...

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  15. Which which of the following electronic configuration an atom has the ...

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  16. Identify the correct order of size of the following

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  17. The correct order of ionisation enthalpy of C, N, O, F is

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  18. Consider the isoelectric species Na^(+), Mg^(2+), F^(-) and O^(2-). T...

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  19. The first ionisation enthalpies of Na, Mg, Al and Si are in the order:

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  20. The last element of the P - block in 6^(th) period is represented by ...

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