Chemistry

Question Analysis
The question involves the concept of electron domains and VSEPR theory.

Key Concept Explanation
In VSEPR theory, an electron domain (also called an electron group) refers to any area around the central atom where electrons are concentrated. Electron domains include both bonding pairs and non-bonding (lone) pairs of electrons. For bonding pairs, single, double, and triple bonds all count as one electron domain.

Option Analysis
An electron domain is defined as any region of electron density around a central atom, and this includes both bonding pairs and lone pairs of electrons. Electron domains are the foundation of...