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Writer four characteristic properties of p-block elements.

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Give two characteristics of p -block elements.

Give four characteristics of s -block elements.

Give four characteristics of f -block elements.

Give five characteristics of d -block elements.

D and f block elements

How can the elements be classified on the basis of their electronic configuration ? Mention the characteristic properties of each type of elements.

Give reasons for Occurrence of characteristic properties of elements takes place at definite intervals in the modern periodic table.

write two characteristic properties of nuclear force.

Number of s-block elements are:

In case of d-block elements

ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-SHORT ANSWER TYPE QUESTIONS
  1. Mention the group, period and block to which each of the following ele...

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  2. An element possesses electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)...

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  3. Writer four characteristic properties of p-block elements.

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  4. What are transition elements ? Mention their characteristic properties...

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  5. Explain the term periodicity in properties of elements

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  6. Explain why : Crystal radius is larger than covalent radius.

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  7. Give reason Atomic size decreases across a period but increases down...

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  8. Arrange with explanation the following ions in the increasing order of...

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  9. Arrange the following ions in the decreasing order of their sizes and ...

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  10. Define ionisation energy . What is its value for a hydrogen atom ?

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  11. Why is anion larger than its parent atom ?

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  12. Define valency. How does it change across a period and on going down a...

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  13. Why is the second ionisation energy of an element much greater than it...

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  14. Explain what do you understand by screening effect. How does this effe...

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  15. Arrange with explanation the following elements in the increasing orde...

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  16. Why do the alkali metals possess minimum and the noble gases maximum i...

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  17. Why is the ionisation energy of beryllium greater than that of Li and ...

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  18. Why does the ionisation energy decrease on going down a group?

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  19. Among the elements of second period pick out the element with the m...

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  20. Among the elements of second period pick out the element with the mo...

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