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Which of the following represents elemen...

Which of the following represents elements in order of increasing size?

A

I,Br,Cl

B

Na,Mg,C

C

C,N,O

D

Li,Na,K

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-MULTIPLE CHOICE QUESTIONS (LEVEL -II)
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  2. Which of the following sets of elements have the strongest tendency to...

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  3. Which of the following represents elements in order of increasing size...

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  4. The number of elements in the fifth period of periodic table is

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  5. The element with atomic number 35 lies in group

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  6. The electronic configuration of four elements are given below. Which o...

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  7. The element with atomic number 55 belongs to which block of the period...

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  8. The electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)...

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  9. A sudden jump between second and third ionisation enthalpies of an ato...

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

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

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

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

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  14. The process requiring the absorption of energy is:

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

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

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

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

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

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

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