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Write a note on (c ) Covalent radius....

Write a note on
(c ) Covalent radius.

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Covalent radius is half of the distance between the nuclei of two atoms , held together by a covalent bond in a homo-atomic molecule .
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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -II) (CONCEPUAL UNDERSTANDING )
  1. Write a note on (a) Atomic radius.

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  2. Write a note on (b) Metallic radius.

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  3. Write a note on (c ) Covalent radius.

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

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  5. Define Ionization energy .

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

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  7. Define ionisation enthalpy and electron affinity.

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

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  9. What is electronegativity?

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  10. What is Mulliken's proposal about electronegativity ?

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  11. How does it very in a group and in a period ?

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

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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. What is meant by first ionization energy ?

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  16. What is meant by second ionization energy ?

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  17. What do you mean by element family ?

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  18. Give the outer orbits gerneral electronic configuration of the ...

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  19. Chlorine bromine , iodine are Dobereiner's triads .How do you ju...

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  20. Why are lanthanides and actinides placed separately at the bot...

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