Would you expect the first ionization ...

NCERT Class XI Chemistry Classification of Elements and Periodicity in Properties Solutions

Question : 25 of 40

Marks: +1, -0

Would you expect the first ionization enthalpies for two isotopes of the same element to be the same or different? Justify your answer.

Solution:

Two isotopes of the same element have the same first ionization enthalpies because of same effective nuclear charges. e.g.,

{}^{35}_{17}\mathrm{Cl}

and

\,{}^{\underset{17}{37}\mathrm{Cl}}

have same ionization enthalpies.

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