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Correct order of radius of elements is: ...

Correct order of radius of elements is: C, O, F, Cl, Br

A

F, O, C, Cl, Br

B

F, C, O, Cl, Br

C

F, Cl, Br, O, C

D

C, O, F, Cl, Br.

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A
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS
  1. The general electronic configuration of d-block elements is

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  2. Which one of the following is the smallest in size?

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  3. Correct order of radius of elements is: C, O, F, Cl, Br

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  4. Which has the highest second ionisation potential ?

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  5. If the ionisation potential for hydrogen atom is 13.6 eV, then the ion...

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  6. The correct order of second ionisation potentials of carbon, nitrogen,...

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  7. The element with configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2) would be

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  8. Define the following terms: Electron affinity .

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  9. The process requiring the absorption of energy is

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  10. Which of the following sets has the strongest tendency to form anions ...

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  11. Assign reasons for each of the following (i) Trasitiono elements exh...

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

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  13. Elements upto atomic number 105 have been discovered till now. If an e...

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  14. Which is the weakest base among NaOH, Ca(OH)(2), KOH and Zn(OH)(2)?

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  15. Which pair of atomic numbers represents s-block elements ?

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  16. Which pair of elements has the same characteristic chemical properties...

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  17. The values of IE(1),IE(2),IE(3),IE(4) and IE(5) of an element are 7.1,...

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  18. The incorrect statement among the following is

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  19. Ionic radii of

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  20. Correct order of radii

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