The Number of Resonance Structures for the Sulfur Dioxide Molecule

question 43

Multiple Choice

The number of resonance structures for the sulfur dioxide molecule that satisfy the octet rule is

• A) 1.
• B) 2.
• C) 3.
• D) 4.
• E) none of these

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Definitions:

Ratchet Wheel

A wheel or gear with teeth cut in a way that allows motion in one direction only, often used in mechanisms requiring incremental movement.

Pawl

A mechanical component that engages with another component to prevent motion in one direction, or to drive a mechanism intermittently.

Center

The point that is equally distant from all points on the circumference of a circle or the surface of a sphere; in geometry, it's the midpoint of any shape or object.

Balancing Point

The point at which an object is in perfect equilibrium under the influence of gravity and does not tip or rotate.