The Element X Has Three Naturally Occurring Isotopes

question 13

Multiple Choice

The 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)52.62
• B)56.14
• C)55.70
• D)55.40
• E)55.74

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Definitions:

Market Price

The current price at which an asset or service can be bought or sold in the open market.

Operating Activities

These are the primary day-to-day activities of a company involved in producing and delivering its products or services, which are reflected in the income statement.

Utility Bill

An invoice for services provided by utility companies, such as electricity, water, and gas.

Amortization

The process of spreading the cost of an intangible asset over its useful life.