Thorium-223 Is an α Emitter

question 59

Multiple Choice

Thorium-223 is an α emitter. What isotope is formed when ²²³Th emits an α particle?

• A) ²²¹Fr
• B) ²²³Pa
• C) ²¹⁹Po
• D) ²¹⁹Ra

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Definitions:

Job-Order Costing

A method of costing that collects costs for each individual job or batch of goods produced, as opposed to process costing.

Overapplied Overhead

A situation where the allocated manufacturing overhead costs are higher than the actual overhead expenses incurred.

Raw Materials

The basic materials from which products are made, which have not yet been processed or used in manufacturing.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a product.