Radioactivity: the Stability of C with Respect to Alpha

question 61

Multiple Choice

Radioactivity: The stability of C with respect to alpha, β⁺, and β^- decay is to be determined. Do not consider the possibility of decay by electron capture. The following atomic masses are known: He: 4.002603 u Be: 7.016928 u B: 11.009305 u C: 11.011433 u N: 11.026742 u The C nuclide is

• A) not subject to alpha, β⁺, or β^- decay.
• B) subject to alpha decay only.
• C) subject to β⁺ decay only.
• D) subject to β^- decay only.
• E) subject to β⁺ or β^- decay, but not to alpha decay.

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Definitions:

Labor Productivity

A measure of economic performance that calculates the amount of goods and services produced per hour of labor.

Mechanized Transportation

The use of machinery, such as cars, trains, and airplanes, to move goods and people over distances, significantly increasing efficiency and speed compared to traditional methods.

Buggy Whips

A product or service that has become obsolete due to technological advancements or changes in consumer preferences.

Demand

The interest and capacity of buyers to acquire a product or service for a certain cost.