The first ionization energy of alkaline earth metals is higher than that of alkali metals. This is due to...
- AIncrease in the nuclear charge of alkaline earth metals.
- BDecrease in the nuclear charge of alkaline earth metals.
- CNo change in the nuclear charge.
- DNone of the above.
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Similar Questions
Which element has the maximum first ionization potential?
What is the order of first,second,and third ionisation enthalpy? Why?
Medium
View SolutionGiven below are two statements:
Statement $(I)$: The first ionisation enthalpy of the elements $Na$, $Mg$, $Cl$ and $Ar$ follows the order $Na > Mg > Cl > Ar$.
Statement $(II)$: Among $Ca$, $Al$, $Fe$ and $B$, the third ionisation enthalpy is very high for $Ca$.
Statement $(I)$: The first ionisation enthalpy of the elements $Na$, $Mg$, $Cl$ and $Ar$ follows the order $Na > Mg > Cl > Ar$.
Statement $(II)$: Among $Ca$, $Al$, $Fe$ and $B$, the third ionisation enthalpy is very high for $Ca$.
Why does the successive ionization enthalpy of an element increase in the order: $1^{st} < 2^{nd} < 3^{rd}$?
Medium
View SolutionThe first ionization enthalpy of $O$ is less than that of $N$,because .........
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