Determine the Longest Wavelength of Light Required to Remove an Electron

question 23

Multiple Choice

Determine the longest wavelength of light required to remove an electron from a sample of potassium metal if the binding energy for an electron in K is
1.76 × 10³ kJ mol^-1.

• A)147 nm
• B)68.0 nm
• C)113 nm
• D)885 nm
• E)387 nm

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