The Innermost Electron Shell in an Atom Holds Up to ________

question 131

Multiple Choice

The innermost electron shell in an atom holds up to ________ electrons.

• A) 1
• B) 2
• C) 4
• D) 6
• E) 8

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Definitions:

Mind Wandering

A cognitive process of thoughts shifting away from a task towards unrelated concerns or fantasies, often occurring unconsciously.

Circadian Rhythm

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Biological Clock

An internal mechanism that regulates physiological and behavioral functions on a cyclical basis, such as sleep and wakefulness.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.