Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:### Question
What is the angle of rotation in a \( C_3 \) symmetry element?
### Answer Choices
- ○ 60 degrees
- ○ 90 degrees
- ● 120 degrees
### Explanation
The correct answer is **120 degrees**.
The \( C_3 \) symmetry element refers to a rotational symmetry where an object can be rotated by \( \frac{360}{3} = 120 \) degrees and still look the same. This type of symmetry is common in molecules and certain geometric shapes, where the object has identical parts at equal intervals around a central axis.
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