When U-239 Emits a Beta Particle, the Nucleus Left Behind

question 51

Multiple Choice

When U-239 emits a beta particle, the nucleus left behind has

• A) 91 protons.
• B) 92 protons.
• C) 90 protons.
• D) 93 protons.
• E) 94 protons.

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Definitions:

Normal Distribution

A symmetric bell-shaped frequency distribution that is fully defined by its mean and standard deviation.

Intervals

Ranges between two points or values, often used in statistics to indicate the confidence or probability associated with a specific estimate.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Expected Frequency

The predicted count of occurrences or the number of times an outcome is anticipated to happen in a statistical experiment.