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

question 92

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

---

Definitions:

Flynn Effect

Describes the observed rise in measured intelligence quotient (IQ) scores over time, suggesting a generational increase in abstract reasoning and problem-solving abilities.

Improved Nutrition

Enhancements in dietary intake that lead to better health outcomes and well-being.

Genetic Potential

The maximum possible development or performance level an organism can reach due to its genetic makeup, in the right environmental conditions.

Within-Group Variability

The measure of variation or dispersion of a set of features within a group.