The Number of Lone Electron Pairs in the NH₄⁺ Ion

question 111

Multiple Choice

The number of lone electron pairs in the NH₄⁺ ion is ___.

• A) 0
• B) 1
• C) 2
• D) 3
• E) 4

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Definitions:

Selye's General Adaptation Syndrome

A model describing the body's physiological response to stress through various stages: alarm reaction, stage of resistance, and stage of exhaustion, highlighting the body's attempt to adapt to stress.

Parasympathetic Nervous System

A division of the autonomic nervous system that conserves energy by slowing the heart rate and increasing intestinal and gland activity, facilitating a state of rest and digest.

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that describes the body's short-term and long-term reactions to stress.

Distress

Negative stress, the kind felt during an illness or when going through a divorce.