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Which pair of elements has the same char...

Which pair of elements has the same characteristic chemical properties ?

A

13, 31

B

11, 20

C

12, 10

D

21, 33.

Text Solution

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The correct Answer is:
A
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS
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  3. Which pair of elements has the same characteristic chemical properties...

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

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  5. The incorrect statement among the following is

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  6. Ionic radii of

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  7. Correct order of radii

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  8. The correct order of first ionisation potential is

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  9. Among the following complex ions, the species whose central metal atom...

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  10. According to the periodic law of elements, the variation in properties...

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  11. The atomic numbers of vanadium (V), chromium (Cr), manganese (Mn) and ...

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  12. Which one of the following ions has the highest value of ionic radius?

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  14. Fluorine is the best oxidising agent because it has

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  16. Following statements regarding the periodic trends of chemical reactiv...

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  18. Correct order of electron gain enthalpy (Kj/mole) of F, Cl, Br, I

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  20. Correct order of radii

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