Is removing an electron from the surface of gold needs more energy and difficult than silver?

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Himadri Nath Saha

http://physics.stackexchange.com/questions

Boddepalli Santhibhushan

Dear sir,

I already posted the question there.

And got the answer. Thank you.

Gerhard Martens

Dear colleague,

the anwer is: Yes you need more energy ( 5,2eV > 4,4eV)

Please see the definition of the "work function" at the attached link.

I would not say that removing an electron from Gold surface is more 'difficult' than removing from Silver surface. You just need a little bit more energy in the Gold case.

https://en.wikipedia.org/wiki/Work_function