An X-ray photon with a wavelength of 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 959 eV. Part A:

What is the binding energy of the electron in kJ/mol? [Note that KE = = mv2 and 1 electron volt (eV) = 1.602 x 10-19 J.] ​

An X-ray photon of wave length 0.989 nm strikes a surface. The emitted electron has a kinetic energy of 969 eV. What is the binding energy of the electron in kJ/mol? [KE=

1

2

mv2;1 electron volt (eV)=1.602×10−19J][KE=

2

1

mv

2

;1 electron volt (eV)=1.602

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