Examlex
Using the VSEPR model, the molecular geometry of the central atom in XeF4 is __________.
Serotonin
A neurotransmitter that contributes to feelings of well-being and happiness, also involved in regulating mood, appetite, and sleep.
Sympathetic
Pertaining to the part of the autonomic nervous system that typically increases bodily readiness for action in response to stress.
Peripheral
Relating to or situated on the edge or periphery of something, often considered less important than the core.
Parasympathetic
Referring to the part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles.
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