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Cations are smaller than their parent at...

Cations are smaller than their parent atom whereas anions are larger in size than their parent atom. Explain.

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Explain why cations are smaller and anions larger in radii than their parent atoms?

Explain why callions are smaller and anions larger in radii than their parent atoms?

Anion size is always _______ than the parent atom.

Size of cation is smaller than that of atom because of

Why are cations smaller than neutral atom?

Why are anions bigger than neutral atom?

In comparison to the parent atom, the size of the

Knowledge Check

  • Size of cation is smaller than that of atom because of

    A
    the whole of the outer shell of electrons is removed
    B
    effective nuclear charge increase
    C
    either (1) or (2)
    D
    diue to gain of electrons

  • Assertion: Radius of the ion is always smaller than the parent atom. Reason: Ion is formed by the loss or gain of electrons by the parent atom.

    A
    Both A and B true and R is the correct explanation A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • The atom larger in size as compared to oxygen is:

    A
    F
    B
    He
    C
    Ne
    D
    None of these
    • CBSE COMPLEMENTARY MATERIAL-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -2- MARKS QUESTIONS
    1. Cations are smaller than their parent atom whereas anions are larger i...

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    2. Ionisation energy of nitrogen is more than ‘O’ and ‘C’ both, why ?

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    3. First ionisation energy of boron is less than Be but size of Be is les...

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    4. Electron gain enthalpy of Mg is positive. Explain.

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    5. Define co-valency.

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    6. The reactivity of halogens decrease down the group but of alkali metal...

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    7. Name a halogen, a metal and a group13 element which are liquid at 30^...

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    8. The reducing power of elements increases down the group but reverse is...

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    9. What is the formula of binary compound formed between : 1st element...

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    10. What is the formula of binary compound formed between : 2nd element...

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    11. Arrange in the following in increasing order of property indicated: ...

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    12. Arrange the following in increasing order of property indicated: Oxi...

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    13. Oxygen is more non-metallic than nitrogen but less than fluorine why ?

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    14. LiCl, LiBr, LiI are covalent as well as ionic why ?

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    15. PbCl2 is more stable than PbCl4 . Why ?

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    16. Magnesium and Lithium both form nitrides why ?

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    17. Which has least I.E. [3p^(3), 3p^(6) ,2p^(3),2p^(6)]

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    18. I.E. of sulphur is lower than chlorine.

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    19. Arrange the following in decreasing order of their electro-negativity:...

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    20. Element ‘A’ in group 17 (2nd period) ‘B’ in group 16 (2nd peri...

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