# Problem: It takes 261 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) 165 C) 552 D) 458 E) 725

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###### Problem Details

It takes 261 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) 165

C) 552

D) 458

E) 725

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Photoelectric Effect concept. You can view video lessons to learn Photoelectric Effect. Or if you need more Photoelectric Effect practice, you can also practice Photoelectric Effect practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofIt takes 261 kJ/mol to eject electrons from a certain metal ...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 6 minutes undefined to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Gilbert's class at NIU.