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Radius of cation is less than that of pa...

Radius of cation is less than that of parental atom, but radius of anion is greater than that of parental atom. Explain. 

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AAKASH SERIES-PERIODIC TABLE-EXERCISE - 2.1.4
  1. What is periodicity? What is the cause for it?

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  2. What are atomic and ionic radii? How do they vary in a period and in a...

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  3. Define and explain the terms: covalentradius, crystal radius and van d...

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  4. Define first and second ionisation potentials. Why second ionisation p...

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  5. Discuss the factors influencing ionisation potential values of element...

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  6. What is electron affinity? Why the electron affinity of fluorine is le...

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  7. Define electronegativity. How is itcalculated based on Pauling's and M...

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  8. Write the important applications of electronegativity.

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  9. What is valency? How is it related to the reference elements?

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  10. Discuss the variation in the following properties in group IIA and thi...

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  11. How do the following vary along periods and groups? (a) ionic radii,...

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  12. Discuss the variation of ionisation potentials of second period elemen...

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  13. As the atomic number increases atomic size increases in a group, while...

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  14. Radius of cation is less than that of parental atom, but radius of ani...

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  15. What is lanthanide contraction? Give one of its consequences.

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  16. What is shielding effect? How does it effect ionisation potential valu...

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  17. Explain, the following: (i) 'B' has less ionisation potential than ‘...

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  18. What is the correct order of radii of Fe^(2+), Fe^(3+) and neutral Fe ...

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  19. Write the differences between electron affinity and electronegativity.

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  20. Electron gain enthalpy of nitrogen and neon are very less in the secon...

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