The kinetic energy of the orbital electron in a hydrogen atom in the excited state corresponding to n = 2 is
A. 3.4 eV
B. 6.8 eV
C. 13.6 eV
D. 27.2 eV.
Answer:A
The kinetic energy of the orbital electron in a hydrogen atom in the excited state corresponding to n = 2 is
A. 3.4 eV B. 6.8 eV C. 13.6 eV D. 27.2 eV.