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The example of metalloid elements in the...

The example of metalloid elements in the periodic table is :

A

Na and K

B

Cu and Al

C

B and Si

D

Ca and Mg

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The correct Answer is:
C
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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which of the following is Dobereiner traid :

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

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

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

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  5. Which is more electropositive ?

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

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

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

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  9. Which of the following is paramagnetic ?

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

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

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

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  13. Which metal exahibits more than one oxidation state:

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

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  15. The Halogen which has the highest electron affinity :

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  16. The correct order of second ionization potential of C, N, O and F is :

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  17. Which one is metalloid ?

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  18. Which of the following is not a metal ?

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  19. Which transition metal cation has maximum unpaired electrons ?

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  20. Which one of the following is the smallest In size ?

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