document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1021472>Question 1021472</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please help me with this homework question? I am stuck and do not know how to approach this question. \r<BR>\n" );
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document.write( "An X-ray photon of wavelength .978 nm strikes a surface. The emitted electron has a kinetic energy of 967eV. What is the binding energy of the electron in kJ/mol? <BR>\n" );
document.write( "[KE=1/2 mv^2; 1 electron volt (eV)= 1.602 x 10^-19 J] </SPAN>\n" );
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