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In the transition series with an increas...

In the transition series with an increase in atomic number, the atomic radius does not change very much. Why is it so?

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With the increase in atomic numbers the atomic radii go on decreasing in case of

With the increases in atomic number in period

Increase in atomic number is observed during:

In a transition series, as the atomic number increases, paramagnetism

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Knowledge Check

  • With the increase in atomic numbers the atomic radii go on decreasing in case of

    A
    d- block element
    B
    f- block element
    C
    Radioactive series
    D
    p - block element

  • With the increases in atomic number in period

    A
    metallic character decreases
    B
    metallic character increases
    C
    chemical reactivity decreases
    D
    atomic size increases

  • The 3d transition series contains elements from atomic number

    A
    21 to 30
    B
    21 to 29
    C
    21 to 31
    D
    22 to 30
    • DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Assignment
    1. In the transition series with an increase in atomic number, the atomic...

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    2. Assing the reason for the following : (i) Transition metals exhibit ...

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    3. What is ionisation enthalpy? Explain why Ni(II) compounds are more sta...

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    4. Copper (I) is diamagnetic while copper (II) is paramagnetic . Explain...

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    5. (a) What are transition elements ? Discuss their magnetic properties ?...

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    6. (a) Is copper a transition metal? If yes then why ? (b) Why are Cr,...

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    7. Why elements of group 12 are not considered as transition elements ?

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    8. (a) What is the basic difference between the electronic configuration ...

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    9. How will you account for the following : (i) All scandium salt are whi...

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    10. (a) What is Lanthanoid contration ? What are its important effects ? (...

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    11. Transition metals are coloured due to the following electronic transit...

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    12. (a) How would you account for the following : (i) Cobalt (II) is sta...

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    13. How will you account for the following : (i) Cobalt (II) is stable i...

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    14. Explain why Zn^(2+) salts are colouless while Ni^(2+) salts are colour...

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    15. Why are Mn^(2+) compounds more stable than Fe^(2+) toward oxidation to...

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    16. Why are Zn, Cd and Hg quite soft and have low melting points ?

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    17. Why are Cd^(2+) salts white ?

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    18. Why Zn, Cd and Hg are not considered as typical transitions elements ?

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    19. Describe the trends in the following properties of the first series of...

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    20. Explain the following observation about the transition elements. (i)...

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