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It Takes 254 KJ/mol to Eject Electrons from a Certain

Question 117

Multiple Choice

It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength of light (nm) that can be used to eject electrons from the surface of this metal via the photoelectric effect _ _ ?


A) 233
B) 472
C) 165
D) 552
E) 725

Correct Answer:

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