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What is the difference between Mendeleev...

What is the difference between Mendeleev's periodic law and modern periodic law?

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Mendeleev's periodic law is based on atomic masses while modern periodic law is based on atomic numbers of elements.
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TARGET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -Answer the following
  1. State the merits of Mendeleev's periodic table.

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  2. What are the demerits of Mendeleev's periodic table?

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  3. What is the difference between Mendeleev's periodic law and modern per...

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  4. State modern periodic law.

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  5. Write a short note on: Structure of the Modern periodic table

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  6. Give four examples of each of the following: i. Nonmetals

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  7. Give four examples of each of the following: s-Block elements

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  8. Give four examples of each of the following: Alkali metals (or group...

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  9. Give four examples of each of the following: Alkaline earth metals (...

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  10. Give four examples of each of the following: p-Block elements

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  11. Give four examples of each of the following: d-block elements

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  12. Give four examples of each of the following: Halogen family

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  13. Give four examples of each of the following: Period 2 elements

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  14. Give four examples of each of the following: Period 3 elements

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  15. Write a short note on: Position of isotpes in the Mendeleev's and t...

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  16. What are the periodic trends in the modern periodic table?

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  17. State the laws/ Define Atomic radius

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  18. How is the ability to lose or accept electrons in the valence shell de...

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  19. What is meant by the term electropositivity of an element?

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  20. How does metallic character vary in a period and a group?

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