Which Element Has the Largest Number of Unpaired Electrons

question 19

Multiple Choice

Which element has the largest number of unpaired electrons?

• A) Cu²⁺
• B) Fe³⁺
• C) V³⁺
• D) Ni²⁺
• E) Zn²⁺

---

Definitions:

Tension-Cohesion Model

A theory explaining how water moves through plants, relying on water's cohesive properties and the tension created by transpiration.

Tension-Cohesion Model

A theory explaining the movement of water through the xylem of plants, based on water molecule cohesion and tension created by evaporation.

Water Potential

A measure of the potential energy in water as well as the difference in potential energy between a given water sample and pure water, determining the direction water will flow.

Root Pressure

A pressure within the vascular system of the roots of plants that helps drive fluids upwards into the stem and leaves.