Answer to Question #62179 in General Chemistry for sami

Question #62179

The work function for chromium metal is 7.0 x 10-19 J (4.37 eV). What wavelength of radiation must be used to eject electrons with a velocity of 2300 km/s? Please answer in units of nm.

The mass of an electron is 9.10939 × 10-31 kg.

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