How Many Electrons Are There in the 2^nd Principal Energy

question 31

Multiple Choice

How many electrons are there in the 2^nd principal energy level (n = 2) of a phosphorus atom?

• A) 3
• B) 5
• C) 6
• D) 8
• E) 10

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Definitions:

Suprachiasmatic Nucleus

A tiny region in the brain's hypothalamus responsible for controlling circadian rhythms, essentially acting as the body's internal clock.

Hypothalamus

A region of the brain that controls an array of bodily functions, including hunger, thirst, temperature regulation, and the release of many hormones.

Thalamus

A part of the brain that acts as a relay station, processing sensory and motor signals and regulating consciousness and sleep.

Waking Consciousness

A state of alertness and awareness to one's environment and self during the waking hours.