Element X Has Three Naturally Occurring Isotopes

question 23

Multiple Choice

Element X has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is __________ amu.

• A)41.54
• B)39.68
• C)39.07
• D)38.64
• E)33.33

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Definitions:

Common Size

A financial analysis technique that expresses each line item in a financial statement as a percentage of a base figure, aiding in comparison across different financial periods or companies.

Financial Statements

Documents that provide an overview of a company's financial condition in both short and long term, including balance sheet, income statement, and cash flow statement.

Stakeholders

Individuals or groups who have an interest in the success or performance of a company, including employees, customers, investors, suppliers, and the community.

Financial Statement

A formal record of the financial activities and position of a business, person, or other entity, typically including the balance sheet, income statement, and cash flow statement.