An X$-$ray photon with a wavelength of $0\mathrm{.}995$ nm strikes a surface. The emitted electron has a kinetic energy of $957$ eV $.$What is the binding energy of the electron in kJ$/$mol $?[$Note that KE$=12$mv$2$ and $1$ electronvolt $(1$eV$)=1\mathrm{.}602\backslash$times $1019$J$.]$

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Given Wavelength of Xray photon 0995 nm 0995 109 m Kinetic energy of the emitted electron KE 957 eV ... View the full answer