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प्रश्न
Which of the following atoms has the highest first ionization energy?
पर्याय
K
Sc
Rb
Na
MCQ
उत्तर
Sc
Explanation:
In each period, alkali metals have the lowest ionization energy; on the other hand, Sc is a d-block element. Transition metals have smaller atomic radii and a higher nuclear charge, which results in high ionization energy.
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