Thursday
October 2, 2014

Homework Help: College Chemistry

Posted by Mikaela on Sunday, October 16, 2011 at 6:00pm.

I have no idea how to do this problem, and I've been searching through my book for an hour. Help please?

An energy of 2.0x10^2 kJ/mol is required to cause a cesium atom on a metal surface to lose an electron. Calculate the longest possible wavelength of light that can ionize a cesium atom. In what region of the electromagnetic spectrum is this radiation found?

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