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What is the need for the classification of elements ?

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What was the basis of classification of elements by Lother Meyer?

The Newlands' law of octaves for the classification of elements was found to be applicable only up to the element:

The basis for the classification of elements in the modern periodic table is

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PRADEEP-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -Additional Question (Short Answer Question )
  1. What is the need for the classification of elements ?

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  2. Define Modern Periodic law . .

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  3. What is the cause of periodicity in properties of the elements ? E...

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  4. Predict the density of Cs from the density of the following elements. ...

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  5. Describle the main feature of the long form of the periodic tabl...

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  6. (a) state the modern periodic law. (b) Describe in brief the main fe...

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  7. Explain briefly Groups and Periods' Transition and Normal element...

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  8. On the basis of electronic configuration justify that the second ...

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  9. Account for the fact that 4th period has eighteen and not eight ...

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  10. Elements A, B, C and D have atomic numbers 12, 19, 29 and 36 res...

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  11. What do you understand by Representative elements ? Name the groups...

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  12. What are transition elements ? Why are they so called ? Name the d...

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  13. Which elements are called inner transition elements ? Name the diff...

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  14. Describe the main characteristic properties of s, p, d and f-block ele...

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  15. Name the different blocks of elements in the periodic table. Give the ...

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  16. Though copper silver and gold atoms have completely filled sets...

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  17. What do you understand by periodic properties of elements ? Name ...

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  18. How do atomic sizes vary in a group and in a period? Give reason for t...

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  19. What is meant by atomic and ionic radii ? Explain giving reason ...

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  20. The size of an anion is larger than that of its parent atom. Give...

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