Cesium-134 Is a β Emitter with a Half-Life of 2

question 95

Multiple Choice

Cesium-134 is a β emitter with a half-life of 2.0 years. How much of a 2.50-g sample of cesium-134 will remain after 10 years?

• A) 0.0024 g
• B) 0.078 g
• C) 0.25 g
• D) 0.50 g
• E) 80.0 g

---

Definitions:

Wash Sale

A tax term referring to the sale of a security at a loss and the repurchase of the same, or substantially the same, security shortly before or after, which disallows the claim of the loss for tax purposes.

Substantially Identical

Refers to property or securities that are nearly the same, often used in tax rules concerning wash sales.

Fair Market Value

The price at which an asset would sell on the open market between a willing buyer and a willing seller.

Rental Business

An entrepreneurial activity where an individual or entity rents out properties or equipment to others for a profit.