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The ionization energy of elements increa...

The ionization energy of elements increases in a period from left to right

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The minimum amount of energy required to remove an electron from a gaseous atom in its ground state to forrn a gaseous ion is called ionization energy
The ionization energy increases in a period from left to right. This is because the force of attraction between valence electron and nucleus increases in a period from left to right.
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Knowledge Check

  • The number of elements present in fifth period is

    A
    8
    B
    18
    C
    24
    D
    32

  • Generally, the first ionization energy increases along a period. But there are some exceptions. One which is NOT and exception is _____

    A
    N and O
    B
    Na and Mg
    C
    Mg and Al
    D
    Be and B.

  • Generally, the first ionization energy increases along a period. But there are some exceptions. One which is NOT an exception is

    A
    N and O
    B
    Na and Mg
    C
    Mg and Al
    D
    Be and B

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    a) How does the tendency of elements to gain electrons change as we move from left to right in a period? State a reason for this change. b) Out of N and which atom do you think is more electronegative and why?

    What is ionization energy ? How does it change in a period as well as in a group ?

    Generally ,the first ionization energy increases along a period .But there are some exceptions.The one which is NOT an exception is

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