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Compare and contrast the arrangement of ...

Compare and contrast the arrangement of elements in Mendeleev's periodic table and the Modern Periodic Table.

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(i) Increasing order of atomic mass and similarity in chemical properties, (ii) Increasing order of atomic number and similar electronic configuration.
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ZEN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ZEE ADDITIONAL QUESTIONS SECTIONS (VERY SHORT ANSWER (VSA) TYPE QUESTIONS)
  1. State the Modern Periodic law. What is the Modern Periodic Table calle...

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  2. Define group and period with reference to the Modern Periodic Table.

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  3. Compare and contrast the arrangement of elements in Mendeleev's period...

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  4. How were transition elements placed in 0 Mendeleev's Periodic Table an...

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  5. How do transition elements differ from other elements?

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  6. State the Modern Periodic law. Where are metals and nonmetals found in...

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  7. Write the atomic numbers of two elements X and Y having electronic con...

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  8. Account for the following: Elements of group 17 are monovalent.

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  9. Account for the following: Elements of group 18 are zerovalent.

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  10. Elements A, B, C, and D have atomic numbers 1, 8, 11, and 19 respectiv...

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  11. Out of the two elements X and Y which has a bigger atomic radius? (i...

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  12. Out of the two elements, potassium and sodium, which one can lose elec...

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  13. Mention the type of compounds formed between group 1 and group 17 elem...

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  14. Write the number of vertical columns in the periodic table. What are t...

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  15. Write the number of horizontal rows in the modern periodic table. What...

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  16. Predict the maximum number of valence electrons possible for atoms in ...

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  17. What is the nature of oxides formed by most of p - block elements ?

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  18. Explain the acidic character of oxide of elements down a group and acr...

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  19. Why hydrogen should be placed in group I ?

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  20. Out of Li and K which has strong metallic character?

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