Only Two Electrons, with Opposing Spins, Are Allowed in Each

question 164

Multiple Choice

Only two electrons, with opposing spins, are allowed in each orbital. What is this known as?

• A) Pauli exclusion principle
• B) Hund's rule
• C) aufbau principle
• D) Heisenberg uncertainty principle

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Definitions:

Main Bronchus

The primary division of the trachea that leads into each lung, facilitating air flow.

Hilum

A depression or groove in an organ where blood vessels, nerves, and other structures enter or exit.

Symmetric

Symmetric means being made up of exactly similar parts facing each other or around an axis; having symmetry.

Nasopharynx

The upper part of the pharynx, connecting the nasal cavity above the soft palate.