Which of the Following Statements About the Atomic Nucleus Is

question 47

Multiple Choice

Which of the following statements about the atomic nucleus is correct? (There may be more than one correct choice.)

• A) Large nuclei are denser than light nuclei.
• B) All nuclei have nearly the same density.
• C) The nucleus is held together more by the electrical force than by the gravitational force.
• D) A nucleus containing 20 nucleons will have approximately twice the radius as a nucleus containing 10 nucleons.
• E) As the number of nucleons increases the binding energy per nucleon always increases.

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Definitions:

REM Behavior Disorder

A sleep disorder characterized by the acting out of dreams that are vivid, intense, and sometimes violent, due to a lack of muscle paralysis during REM sleep.

Medial Hypothalamus

An area of the brain involved in regulating hunger, thirst, and the body's energy balance.

REM Sleep

A sleep phase characterized by rapid eye movements, where dreaming occurs and brain activity is similar to wakefulness, important for processing emotions and memories.

Restorative Theory

A theory that suggests sleep is necessary for the body to repair and rejuvenate itself.