What Is the Minimum Energy an Incoming Electron Must Have $( n = 1 )$

question 90

Multiple Choice

What is the minimum energy an incoming electron must have to knock a K shell electron $( n = 1 )$ out of an atom of molybdenum, which contains 42 protons?

• A) \(44.0 \mathrm { keV }\)
• B) \(34.4 \mathrm { keV }\)
• C) \(24.0 \mathrm { keV }\)
• D) \(10.1 \mathrm { keV }\)
• E) \(11.3 \mathrm { keV }\)

---

Definitions:

Suicidal Thoughts

Refers to thoughts or considerations about taking one's own life, often occurring in individuals undergoing severe emotional distress or mental health disorders.

Increased Anxiety

A state characterized by heightened feelings of apprehension, unease, or fear, often without a clear or immediate external cause.

Sexual Orientation

An enduring pattern of emotional, romantic, or sexual attractions to men, women, both genders, neither gender, or another gender.

Heterosexual

Referring to a sexual orientation towards individuals of the opposite sex.