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Explain classification of elements based...

Explain classification of elements based on Newland 's law of Octaves.

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Newland's law of Octaves :
When elements are arranged in increasing order of their atomic weights every eighth element resembles its properties with the first one just like the eight note of a musical table

Linitations : Failed for heavier elements beyond calcium.
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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-ADDITIONAL SHORT ANSWERS
  1. Lanthanoids and actinoids are placed in separate rows at the bottom of...

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  2. Describe in drief Lother Meyer's classification of elements.

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  3. Explain classification of elements based on Newland 's law of Octaves...

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  4. Justify the given statement with suitable examples the properties of t...

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  5. State the findings of modern periodic law.

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  6. State Mendeleev's period law.

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  7. What are the demerties of long form periodic table.

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  8. What are transuranium elements?

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  9. What are transfermium elements?

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  10. How many elements can be accommodated in the long form of the periodic...

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  11. Name the p block elements that exist as liquids at room temperature.

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  12. What are representative elements?

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  13. What are metalloids ? Give example.

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  14. The number of elements in the first period is only 2. Give reason.

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  15. The elements Z=117 and 120 have not yet been discovered. In which fami...

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  16. Arrange the following elements in the increasing order of metallic cha...

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  17. Predict the periods and blocks to which each of the following elements...

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  18. Why are noble gases chemically inert?

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  19. Why d- block elements are known as transition element ?

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  20. Rn (Z=86) is the last noble gas discovered . Predict what will be the...

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