A Radioactive Isotope of Atomic Number Z Emits an Alpha

question 31

Multiple Choice

A radioactive isotope of atomic number Z emits an alpha particle,and the daughter nucleus then emits a beta-minus particle.What is the atomic number of the resulting nucleus?

• A)Z -1
• B)Z + 1
• C)Z - 2
• D)Z - 3

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Definitions:

Diseconomies of Scale

The phenomenon where, as a firm expands, its costs start increasing per unit of output, usually due to inefficiencies and management challenges that arise with size.

Diminishing Returns

A principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase and may decrease.

Natural Monopoly

A market structure where a single provider is more efficient in supplying the entire market with a product or service, due to high fixed or startup costs.