Question

The ground state energy of hydrogen atom is $-13.6eV$. The kinetic energy of the electron in this state is:

• A. 27.2 eV
• B. 13.6 eV
• C. 6.8 eV
• D. 3.4 eV

Answer 1

Answer: (B)

Total energy. of electron is always negative in bounded state. But K.E is equal in magnitude it can never be negative.