An Element Consists of Three Isotopes

question 44

Multiple Choice

An element consists of three isotopes.The abundance of one isotope is 92.21% and its atomic mass is 27.97693 u.The abundance of the second isotope is 4.70% and its atomic mass is 28.97649 u.The atomic mass of the third isotope is 29.97376 u.What is the atomic weight of the element?

• A) 28.09 u
• B) 28.98 u
• C) 28.96 u
• D) 29.87 u
• E) 29.07 u

Grasp the stages of Selye's General Adaptation Syndrome in practical scenarios.

Understand the stages of group development and the challenges faced.

Recognize the effects of organizational politics on workplace effectiveness.

Identify the characteristics of mature and cohesive groups.

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Definitions:

MPC

Marginal Propensity to Consume, the proportion of additional income that a consumer spends on purchasing goods and services, rather than saving.

GDP

Gross Domestic Product, the total value of all goods and services produced within a country's borders in a specific time period, indicating the size of its economy.

Investment

The act of allocating resources, usually money, with the expectation of generating an income or profit.

MPC

Marginal Propensity to Consume, the fraction of additional income that is spent on consumption.