Questions
Which of the following atoms has the lowest ionization potential?
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By Expert Faculty of Sri Chaitanya
a
8O 16
b
7N 14
c
55Cs 133
d
18Ar 40
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Correct option is C
Since the 55Cs 133 has larger size among the four atoms gives, thus the electrons present in the outermost orbit will be away from the nucleus and the electrostatic force experienced by electrons due to nucleus will be minimum. Therefore, the energy required to liberate electron from outer will be minimum in the case of 55Cs 133
Similar Questions
A nucleus disintegrates into two nuclear parts which have their velocities in ratio 2 : 1. The ratio of their nuclear sizes will be
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