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Author Question: What is the binding energy (in J/mol or kJ/mol) of an electron in a metal whose threshold frequency ... (Read 27 times)

olgamartinez04

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Question 1

Using the figure below, categorize electromagnetic radiation with an energy of 6.7 x 10-18 J/photon.

◦ Gamma rays
◦ X rays
◦ Ultraviolet
◦ Infrared
◦ Microwave

Question 2

What is the binding energy (in J/mol or kJ/mol) of an electron in a metal whose threshold frequency for photoelectrons is 2.50 × 1014 /s?
◦ 2.75 × 10–43 J/mol
◦ 1.66 × 10–19 J/mol
◦ 1.20 × 10–6 J/mol
◦ 99.7 kJ/mol
◦ 7.22 × 1017 kJ/mol


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Marked as best answer by olgamartinez04 on Nov 5, 2023

Htimsrs

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olgamartinez04

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Reply 2 on: Nov 5, 2023
:D TYSM


daiying98

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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