Which Species Has 63 Neutrons?
A) ${ }_{43}^{112} \mathrm{Cd}$ B) ${ }_{49}^{112} \text { In }$

question 15

Multiple Choice

Which species has 63 neutrons?

• A) \({ }_{43}^{112} \mathrm{Cd}\)
• B) \({ }_{49}^{112} \text { In }\)
• C) \({ }_{69}^{63} \mathrm{Cu}\)
• D) \({ }_{63}^{152} \mathrm{Eu}\)
• E) none of the above

---

Definitions:

Retrieval Failure

An inability to recall information from memory, leading to forgetting.

Anti-Communist Regime

A government or political system that explicitly opposes communism, often engaging in policies to suppress, limit, or eradicate communist influence.

Kim Phuc

Known as the "Napalm Girl," she is a Vietnamese-Canadian best known for being photographed as a child during the Vietnam War, her image becoming a symbol of the horrors of war.

Americans' Relationship

The various dynamics and interactions between citizens of the United States, encompassing social, cultural, political, and personal aspects.