If the Ground State of the Hydrogen Atom Is Taken

question 359

Multiple Choice

If the ground state of the hydrogen atom is taken to be zero energy,then the first three excited states are at energies of 10.2,12.1,and 12.8 eV.The energy corresponding to n = infinity is 13.6 eV.If the atom is in its second excited state,it will be unstable and might emit photons with each of the following energies EXCEPT ONE.Which is the exception?

• A) 0.7 eV
• B) 1.9 eV
• C) 10.2 eV
• D) 12.1 eV

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