What Is the Binding Energy (In J/mol or KJ/mol)of an Electron

question 40

Multiple Choice

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?

• A)99.7 kJ/mol
• B)1.66 * 10^-19 J/mol
• C)2.75 * 10^-43 J/mol
• D)7.22 * 10¹⁷ kJ/mol
• E)1.20 * 10^-6 J/mol

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Definitions:

Resource Market

A market in which a resource is bought and sold.

Exchange

The act of giving one thing and receiving another, especially of the same kind or value, in return.

Scarce

A condition or situation characterized by the limited availability of resources or goods, leading to competition for their acquisition or use.

Opportunity Costs

The cost of forgoing the next best alternative when making a decision or choosing among options.