If a Radioactive Sample Has an Activity of 65

question 18

Multiple Choice

If a radioactive sample has an activity of 65.0 nCi, how many disintegrations per second are occurring?

• A) 1,240 disintegrations/s
• B) 2,140 disintegrations/s
• C) 2,410 disintegrations/s
• D) 1,242 disintegrations/s
• E) 1,420 disintegrations/s

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Definitions:

Seventeenth-Century Chesapeake

Referring to the Chesapeake Bay area in the 1600s, noted for its early settlement, tobacco cultivation, and indentured servant labor system.

Family Planning

A strategy for couples and individuals to decide when and how many children to have, often involving methods of birth control and fertility treatments.

Indentured Servant

A worker bound by a contract to serve an employer for a specific period of time, typically in exchange for the cost of passage to a new country.

Planter

A landowner who operates a plantation, especially in the historical context of the agricultural economies in the Southern United States, where cash crops like cotton and tobacco were prominent.