Question

The ground state energy of Hydrogen atom is $-13.6eV$. What is the potential energy of the electron in this state ?

• A. $0eV$
• B. $-27.2eV$
• C. $1eV$
• D. $2eV$

Answer 1

The correct option is B $-27.2eV$

$KE=-BE=13.6eV$

$PE=-2KE=-27.2eV$