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## Homework Statement

Consider a Hydrogen atom in the ground state

Find:

A- The Kinetic Energy, in eV

B - The Potential Energy, in eV

C - The Total Energy, in eV

D - minimum energy required to remove the electron completely from the atom, in eV

E - What wavelength does a photon with the energy calculated in part (D) have

## Homework Equations

V

_{n}= (1/E

_{o})(e

^{2}/2nh)

K

_{n}= 1/2 mv

^{2}= (1/E

_{0}

^{2})(me

^{4}/8n

^{2}h

^{2})

U

_{n}= (1/E

_{0}

^{2})(me

^{4}/4n

^{2}h

^{2})

mass of H =1.008

## The Attempt at a Solution

I have no idea. I know i need to use the first listed equation to solve for v in order to use the second and find the Kinetic Energy. But how do i do the first equation since i do not know the E

^{0}

Please guide me

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