A Certain Element Consists of Two Stable Isotopes

question 54

Multiple Choice

A certain element consists of two stable isotopes.The first has a mass of 14.0031 amu and a percent natural abundance of 99.63%.The second has a mass of 15.001 amu and a percent natural abundance of 0.37%.What is the atomic weight of the element?

• A) 13.95 amu
• B) 14.00 amu
• C) 14.01 amu
• D) 14.50 amu
• E) 19.50 amu

---

Definitions:

Income Mobility

Refers to the ability of an individual or family to move up or down the economic ladder within a society over time.

Income Ladder

A conceptual representation of the distribution of income levels among different groups within a population, often visualized as rungs on a ladder.

Relative Income

The comparison of an individual's or household's income to the larger society, which can influence spending, saving, and lifestyle choices.

Redistributing Income

The process by which government policies or mechanisms transfer income from certain groups of individuals to others to promote economic equality.