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Question
The total energy of an electron in the ground state of the hydrogen atom is -13·6 eV. Its total energy, when a hydrogen atom is in the first excited state, is ______.
Options
+ 13·6 eV
+ 3·4 eV
−3·4 eV
−54·4 eV
MCQ
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Solution
The total energy of an electron in the ground state of the hydrogen atom is -13·6 eV. Its total energy, when a hydrogen atom is in the first excited state, is −3·4 eV.
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