When An $\alpha$ Particle Is Emitted, the Mass Number
A) Decreases by 4

question 33

Multiple Choice

When an $\alpha$ particle is emitted, the mass number

• A) decreases by 4.
• B) increases by 2.
• C) decreases by 2.
• D) decreases by 1.
• E) increases by 4.

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Definitions:

Percent Body Fat

The total mass of fat divided by total body mass, expressed as a percentage, indicating the proportion of fat in a person's body.

Obesity

A medical condition characterized by an excessive accumulation of body fat, typically greater than what is considered healthy.

Body Mass Index

A measurement that assesses an individual's body weight relative to their height, used to categorize underweight, normal weight, overweight, and obesity.

Obese

A medical condition characterized by excessive body fat accumulation, which presents a risk to health.