Quantum Chemistry/Example 19

==Write an example question showing the calculation of the frequency of EM radiation required to excite an H atom from ground to n=2 electronic state.==
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The energy of the hydrogen atom is calculated using the following equation:

'''Energy of Hydrogen Atom'''

 

To calculate the change in energy required to go from the ground state to n=2, the following equation is used:

 

 

 

 

 

δE =((9.10938x10)−31kg(1.60218x10−19c)432π28.854x1012c2S2/kgm2)2(1.054x10−24J.s)2)54