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How does the valency vary on going...

How does the valency vary on going down a group ?

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. What is atomic number ?

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  2. Consider the following elements of third period of modern periodic ta...

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  3. How does the valency vary on going down a group ?

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  4. DO the atom of an element and its ion have same size ?

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  5. Imagine , which one in each of the following pairs is large in...

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  6. Imagine , which one in each of the following pairs is large in...

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  7. Which one in each of the following pairs is larger in size? S^(2-),Cl^...

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  8. Which one in each of the following pairs is larger in size ? ...

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  9. Which one in each of the following pairs is larger in size? C^(4-),F^(...

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  10. Which one between Na and Na^(+) would have more size ?

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  11. Which one between Cl and Cl^(-) would have more size ? Why ?

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  12. A and B are two elements . The compound formed with A and B is...

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  13. The Atomic number of an element is 35 where would you expect ...

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  14. Why were Dobereiner , Newlands and Mendeleeff not 100 % successf...

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  15. Two elements X and Y belong to Groups 1 and 2 respectively in th...

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  16. Two elements X and Y belong to Groups 1 and 2 respectively in th...

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  17. Two elements X and Y belong to Groups 1 and 2 respectively in th...

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  18. Two elements X and Y belong to Groups 1 and 2 respectively in th...

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  19. Explain three factors which influence the electron affinity (Electron ...

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  20. How are the elements arranged into groups and periods in the mo...

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