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Who proposed the law of octaves ?...

Who proposed the law of octaves ?

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Newlands.
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Do you know why Newlands proposed the law of octaves ? Explain your answer in terms of the modern structure of the atom .

(i) Newlands proposed the law of octaves. ii) The law of octaves was not valid for elements that had atomic masses higher than calcium. iii) Newlands left blanks for new elements in his periodic table. Which statement is wrong?

State the law of octaves .

Newlands proposed the law of octaves . Mendeleeff suggested eight groups for elements in his table . How do you explain these observations in terms of modern periodic classification ?

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VGS PUBLICATION-BRILLIANT-CLASSIFICATION OF ELEMENTS -THE PERIODIC TABLE -CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION -I)
  1. Who classified elements first ?

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  2. who proposed law of traids ?

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  3. Who proposed the law of octaves ?

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  4. Who classified elements by its atomic numbers first time ?

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  5. Whose periodical classification is similar to repetition of mus...

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  6. Who tried to classify the elements in terms of their common val...

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  7. "The law states hat the physical and chemical properties of the ...

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  8. Which property of an element taken for classification of elemen...

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  9. How many groups are there in mendeleev 's peridic table ?

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  10. How many periods are there in the mendeleev 's periodic table ?

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  11. Who was left the blanks in his periodic table for some undisc...

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  12. Write similar elements to eka-boron , eka aluminum and eka - sill...

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  13. "The placement of elements in Mendeleev 's periodic table helped ...

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  14. Equivalent weight xx valency =

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  15. The anomalous series of elements of mendeleev's periodic table ...

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  16. Name of the 101^(th ) element.

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  17. What is called by the number of postitive charges in an atom ?

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  18. The arrangement of elements elimated the problem of anomalous ser...

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  19. Who classified elements according the their atomic numbers ?

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  20. z' indicates

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