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How does atomic radius vary in a period ...

How does atomic radius vary in a period and in a group? How do you explain the variation?

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. What is crystal radius (or) metallic radius ?

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  2. What is covalent radius ?

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  3. How does atomic radius vary in a period and in a group? How do you exp...

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  4. Define Ionization energy .

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  5. How does the ionization energy vary in a group and a period ?

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  6. Electron affinity is

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  7. How does the electron gain enthalpy values vary in a group ...

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  8. Define electronegativity of an element on Mulliken scale.

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  9. What is Mulliken's proposal about electronegativity ?

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  10. How many following properties varies in a group and in a period ? (a...

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  11. How do metallic and non-metallic charcters vary in a group and ...

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  12. Give example where the electronic configuration of an element does not...

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  13. How many elements are present in the 5 ^(th) period of the lon...

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  14. What do you mean by screening effect ?

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  15. Arrange the elements B, N, Be and O in the increasing order of their i...

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  16. What is meant by first ionization energy ?

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  17. What is meant by second ionization energy ?

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  18. What do you mean by element family ?

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  19. Give the outer orbit general electronic configuration of (a) Noble g...

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  20. Give the outer orbit general electronic configuration of (b) Represe...

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