Which Statement Regarding the Activity of a Radioactive Sample Is

question 139

Multiple Choice

Which statement regarding the activity of a radioactive sample is NOT correct?

• A)The activity of a sample is the number of decay events per second.
• B)The activity depends on a rate constant for the decay and the amount of the radioisotope in the sample.
• C)Radioactive decay follows first-order reaction kinetics.
• D)The activity will decrease to half its initial value in a time equal to lN₂)/ k, where k is the rate constant.
• E)All of these are correct.

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Definitions:

CPI

Consumer Price Index, a measure that examines the weighted average of prices of a basket of consumer goods and services.

Market Basket

A fixed list of items used to track the progress of inflation in an economy.

CPI

A gauge for inflation, the Consumer Price Index analyzes the weighted average price of a collection of consumer products and services.

GDP Deflator

An index that measures the prices of all new, domestically manufactured, final goods and services in a country's economy.