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The minimum energy needed to eject an electron from a sodium atom is 4.41 * 10^-19 J What is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium? a. 4.29 x 10^-7 b. 4.51 x 10^-7 c. 451 d. 2.22 x 10^6 e. 6.66 x 10^14

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