Q. 54.6( 28 Votes )

The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic and potential energies of the electron in this state?

Answer :

Given: Total energy of the Hydrogen atom = Ground state energy of hydrogen atom is –13.6 eV

Since, the kinetic energy is equal to the negative of the total energy


Kinetic energy of the hydrogen atom = - (-13.6 eV) = 13.6 eV


The potential energy is equal to the twice of the negative of the total energy.


Potential energy of hydrogen atom =-2 × - (-13.6 eV)


Potential energy = -27.2 eV.


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