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What are representative elements? Give t...

What are representative elements? Give their valence shell configuration

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS-THE PERIODIC TABLES-EXERCISE
  1. DO the atom of an element and its ion have same size ?

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

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  3. What are representative elements? Give their valence shell configurati...

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  4. Formation of cation is endothermic where formation of anion is ex...

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  5. Different elements exist in different physical states. However only ga...

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  6. Explain the limiation of Mendeeff's periodic table .

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  7. How are the elements divided into s, p, d and f – blocks in the Modern...

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

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

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  10. The second period element 'F' has electrons gain enthaly than...

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  11. An element has atomic number 19. where would you expect thi...

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  12. Give reason for the need of classification of element .

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  13. x,y and z are the elements of a Dobereiner 's tried .If the atom...

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  14. Explain the ionizaton energy order in the following sets of el...

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  15. Explain the ionizaton energy order in the following sets of el...

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  16. Explain the ionizaton energy order in the following sets of el...

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  17. Explain the ionizaton energy order in the following sets of el...

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  18. Explain the ionizaton energy order in the following sets of el...

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  19. The electrons configuration of atom A is 2,8,6 What is the a...

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  20. The electrons configuration of atom A is 2,8,6 stable whethe...

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