If one electron has been removed from an atom, it becomes increasingly difficult to remove the second and subsequent electrons from the resulting positively charged ions on account of electrostatic attraction between the nucleus and the remaining electrons. If the ionization values of elements are plotted against the atomic number, then peaks are occupied by:

Alkali metals

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Alkaline earth metals

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Noble gas elements

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Halogens

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Solution

The correct option is C
Noble gas elements

Noble gases have the highest I.E. in their respective periods.

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If one electron has been removed from an atom, it becomes increasingly difficult to remove the second and subsequent electrons from the resulting positively charged ions on account of electrostatic attraction.
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If one electron has been removed from an atom, it becomes increasingly difficult to remove the second and subsequent electrons from the resulting positively charged ions on account of electrostatic attraction.
The numerical value of energy involved in the given process $K \to K^{-}$ is less than that of which of the following processes?

Q. When first ionization energy is plotted against the atomic number, then peaks in curve are occupied by?

Q. Statement 1:
Removal of one electron from

N_{2}

decreases the bond order of

N_{2}

, while removal of an electron from

O_{2}

increases the bond order.
Statement 2:
Removal of an electron from nitrogen atom is difficult as less number of electrons are present in nitrogen than removal of an electron from

O_{2}

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The correct option is C Noble gas elements Noble gases have the highest I.E. in their respective periods.

The correct option is C
Noble gas elements

Noble gases have the highest I.E. in their respective periods.