## General Chemistry (4th Edition)

λ = 8 x 10$^{-8}$ m 8 x 10$^{-8}$ = hc/E = (6.626 x 10$^{-34}$) (3 x 10$^{8}$) / E E = 2.5 x 10$^{-18}$ J = 2.5 aJ No X-Rays don’t have sufficient energy to Argon