An Element Has Two Different Isotopes: One That Weighs 65

question 74

Multiple Choice

An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu.If the average atomic mass of all the isotopes is 66.5 amu,what can be said about the relative abundance of the isotopes?

• A)The isotope with the mass of 67 is more abundant than the isotope with the mass of 65.
• B)The isotope with the mass of 65 is more abundant than the isotope with the mass of 67.
• C)The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67.
• D)The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65.
• E)All the isotopes have the same relative abundance.

---

Definitions:

Dyadic Processes

Interactions and relationships between two individuals, often studied in the context of communication, social psychology, and interpersonal dynamics.

Subordinate

An individual who reports to someone of higher rank within an organizational hierarchy, typically tasked with following directions and fulfilling assigned duties.

Rational Cognitive Processes

Thinking methods that rely on logical reasoning and objective analysis.

Emotional Processes

The mechanisms through which emotions influence the behavior and decisions of individuals and groups.