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Do you know why Newlands proposed t...

Do you know why Newlands proposed the law of octaves ? Explain your answer in terms of the modern structure of the atom .

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. All akali metals are solids but hydrogen is a gas with diatomic...

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  2. IF lanthanides and actinides are inserted within the table . Im...

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  3. Do you know why Newlands proposed the law of octaves ? Explain...

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  4. Why did Mendeleeff had to leave certain blank spaces in his per...

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  5. What is your understanding about Ea (2 ) O(3 ) , EsO(2) ?

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  6. Second ionization energy of an element is higher than its firs...

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  7. The calculated electron gain enthaly values for alkaline earth m...

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  8. Do you think Newland's law of octaves is correct ? Justify .

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

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  10. The second period element , for example , for example 'F' has ...

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  11. Observe the following table and Fill it . Observations ...

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  12. Observe the following table and Fill it . Observations ...

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  13. What is atomic number ?

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

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

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

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

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

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

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

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