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Which set of elements have nearly the sa...

Which set of elements have nearly the same atomic radii ?

A

F, Cl, Br, I

B

Na, K, Rb, Cs

C

Li, Be, B, C

D

Fe, Co, Ni, Cu

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The correct Answer is:
D
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. Atomic number of Cr is 24, then Cr^(3+) will be :

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  3. Which set of elements have nearly the same atomic radii ?

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  4. Among thr following elements, the most electronegativity is :

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  5. Among the following group of element, the one whose element can have p...

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  6. The process requiring the adsorption of :

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  7. Which of the following is Dobereiner traid :

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  8. In III period, the mst acidic oxide is formed by :

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  9. The example of metalloid elements in the periodic table is :

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  10. Manganese belongs to ……… of periodic table:

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  11. Which is more electropositive ?

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  12. The elements X,Y,Z and J have the indicated electron configuration st...

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  13. The correct order of the size of the iodine species is :

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  14. An example of a non-stoichiometric compound is :

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  15. Which of the following is paramagnetic ?

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  16. Which arrangement for the three halogens Cl, Br and I is correct in th...

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  17. Almost the following elements the configuration having the highest ion...

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  18. Which series of elements would have nearly the same atomic radii ?

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  19. Which metal exahibits more than one oxidation state:

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  20. The element with the highest first ionozation potential is :

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