Ne, Ar, and Xe Are What Type of Elements

question 61

Multiple Choice

Ne, Ar, and Xe are what type of elements?

• A)Main group non-metals
• B)Noble gases
• C)Main group metalloids
• D)Noble metals

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Definitions:

Flashbacks

Intense, vivid involuntary recollections of past experiences, often distressing, that can occur in individuals with post-traumatic stress disorder (PTSD) or after substance use.

Melatonin

A substance secreted by the pineal gland that controls the cycle of sleeping and waking.

Symptoms of Insomnia

Characteristics of insomnia include difficulty falling asleep, staying asleep, or waking too early, resulting in daytime tiredness.

Sleep Terrors

A sleep disorder causing feelings of panic or dread typically occurring during the first hours of stage 3-4 non-REM sleep.