Questions
Which of the following atoms has the lowest ionization potential?
a
8O 16
b
7N 14
c
55Cs 133
d
18Ar 40
detailed solution
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 133Talk to our academic expert!
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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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