Examlex
Which of the following elements has six valence electrons?
Narcolepsy
A sustained sleep ailment denoted by overpowering lethargy during daytime and rapid transitions to sleep.
Commercial Bus Driver
A professional who operates buses or coaches, transporting passengers on predetermined routes or chartered trips, and is responsible for passenger safety.
Narcolepsy
A perpetual sleeping condition characterized by severe daytime tiredness and immediate sleep attacks.
Night Terrors
A sleep disorder causing feelings of panic or dread, typically occurring during non-REM sleep and resulting in partial or full awakening.
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