Which of These Ground-State Ions Has Unpaired Electrons

question 43

Multiple Choice

Which of these ground-state ions has unpaired electrons?

• A) P^3-
• B) V⁵⁺
• C) Mg²⁺
• D) Sc²⁺
• E) S^2-

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Definitions:

Selector Switch

A switch that allows the user to select between multiple options or circuits, typically by rotating a knob or moving a lever.

Numbering Wires

The practice of assigning unique numbers or labels to wires within a system or piece of equipment to facilitate identification and tracking.

Ladder Diagram

A schematic representation used in programming PLCs (Programmable Logic Controllers) that resembles the rungs of a ladder, where each rung represents a logic operation.