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  • Define ionization energy. How would the ionization energy change when electron in hydrogen atom is replaced by a particle of mass 200 times that of the electron but having the same charge?   <div style="float:left; width:48

Define ionization energy.
How would the ionization energy change when electron in hydrogen atom is replaced by a particle of mass 200 times that of the electron but having the same charge?

 

 

 

 
 
 
 
 

Answers (1)

The minimum energy required to free the electron from the groundstate of the atom is known as ionisation energy.
ionisation energy
E_{1}= \frac{me^{4}}{8\varepsilon _{0}^{2}h^{2}}
E_{1}\alpha \, m
Therefore when electron in an hydrogen atom is replaced by particle of mass 200 times the electron. the ionisation energy also becomes 200 times.
 

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