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The atomic radius of elements of which o...

The atomic radius of elements of which of the following series would be nearly the same

A

Na,K,Rb,Cs

B

Li,Be,B,C

C

Fe,Co,Ni,Cu

D

F,Cl,Br,I

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The correct Answer is:
C
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. The correct order of electron affinity of B , C , N and O is

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  2. Which of the following electronic configurationsis of transition eleme...

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  3. The atomic radius of elements of which of the following series would b...

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  4. With reference to ionisation potential which one of the following sets...

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  5. Which of the following species has the highest ionization potential

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  6. The radii of F,F^(-),O and O^(-2) are in the order of

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  7. Which has maximum first ionization potential?

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  8. Which of the following has the smallest size?

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  9. Which of the following elements has the maximum electron affinity ?

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  10. Which of the following order for ionization energy is correct ?

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  11. Which of the following is most electro- negative ?

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  12. Which of the following is isoelectronic as well as has the same struct...

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  13. Among the following groupings which represents the collection of isoel...

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  14. A compound contains three elements A,B and C, if the oxidation number ...

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  15. Which of the following statements is true ?

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  16. The valence shell of transition element consists of

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  17. The correct order of electron affinity is

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  18. Which one of the following is correct order of the size?

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  19. According to Fajans'rules, the percentage of covalent character in an ...

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  20. Variable valency is characteristic of

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