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On what basis did Mendeleev classify the...

On what basis did Mendeleev classify the elements ?

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Explore conceptually related problems

State the law on the basis of which Mendeleev classified the elements. Mention the important features of his periodic table. What are the merits and defects of Mendeleev's periodic table ?

Which important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?

Which important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?

The property used by Mendeleev to classify the elements in his periodic table is "________" .

(a) What was the basis of Mendeleev's Classification of elements ? (b) List two achievements of Mendeleev's periodic tables. (c) List any two observations which posed a challenge to Mendeleev's periodic law.

On what basis are fungi classified ?

How many elements were known at the time of Mendeleev's classification of elements ?

State the merits of Mendeleev's classification of elements.

Give an account of the process adopted by Mendeleev for the classification of elements. How did he arrive at ''periodic law'' ?

Why did Mendeleev left gaps in his periodic table ?

Knowledge Check

  • The property used by Mendeleev to classify the elements in his periodic table is "________" .

    A
    There is no correlation in the properties and atomic weights of the elements
    B
    The properties of the elements are a periodic function of their atomic numbers
    C
    The properties of the elements are a periodic function of their atomic weights
    D
    The properties of the elements are a periodic function of their empirical formula.
    • ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-REVIEW EXERCISES
    1. On what basis did Mendeleev classify the elements ?

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    2. Which of the following pairs of elements were found anomalous in Mende...

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    3. Which of the following pairs of elements were found anomalous in Mende...

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    4. Which of the following pairs of elements were found anomalous in Mende...

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    5. Why was the basis of classification of elements changed from atomic ma...

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    6. In what manner is the long form of periodic table better than Mendele...

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    7. Write the electronic configuration of the following elements and predi...

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    8. Write the electronic configuration of the following elements and predi...

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    9. Write the electronic configuration of the following elements and predi...

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    10. Write the electronic configuration of the following elements and predi...

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    11. Write the electronic configuration of the following elements and predi...

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    12. Classify the following elements into the types and the blocks to which...

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    13. Which of the following radii of an atom is the smallest and why? Cov...

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    14. Which of the following pairs are isoelectronic ? Na, Mg

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    15. Which of the following pairs are isoelectronic ? F^(-),O^(2-)

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    16. Which of the following pairs are isoelectronic ? K^(+),Sc^(3+)

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    17. The ionisation energy of H is 1312 kJ mol^(- 1). How much energy is re...

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    18. It requires 2.378xx10^(7)J energy to ionise a certain amount of helium...

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    19. Which element in each of the following pairs would you expect to have ...

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    20. Which element in each of the following pairs would you expect to have ...

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