When Boron Is Added to a Layer of Ultrapure Silicon

question 72

Multiple Choice

When boron is added to a layer of ultrapure silicon, the result is ________.

• A)n-type silicon
• B)p-type silicon
• C)an excess of negative charges
• D)electrons that are free to roam
• E)A and C

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Definitions:

Brain Abnormalities

Structural or functional deviations in the brain from the normal pattern, which can impact various aspects of cognition, emotion, and behavior.

Obsessive-compulsive Disorder

A mental disorder characterized by unwanted, recurring thoughts (obsessions) and repetitive behaviors (compulsions) that the individual feels driven to perform.

Alarm Signal

A warning sign or signal indicating imminent danger or the need to take action to avoid a threat.

Obsessive-compulsive Disorder (OCD)

A mental disorder characterized by recurrent, unwanted thoughts (obsessions) and/or repetitive behaviors (compulsions) that the individual feels driven to perform.