Questions: Chapter 7 Summative Test Name (30 points total) Period Read all questions carefully and show your work. 5. The diagrams to the right show different views of the same molecule. a. Using the descriptive terms from the lessons, describe the shape of the molecule shown. (1 point) b. Use the shape of the molecule to predict the type of smell this chemical has. (1 point) c. Explain your reasoning. (2 points)

a. Using the descriptive terms from the lessons, describe the shape of the molecule shown.

Describe the shape

The molecule has a complex, three-dimensional structure. Specifically, it appears to have a ring-like or cyclical structure, potentially with multiple rings. It's not planar, as evidenced by the bonds projecting in various directions. We can call it "globular" or "cage-like".

\( \boxed{\text{Globular or cage-like}} \)

b. Use the shape of the molecule to predict the type of smell this chemical has.

Predict the smell based on shape

Globular or cage-like structures are often associated with camphor or minty smells.

\( \boxed{\text{Camphoraceous or minty}} \)

c. Explain your reasoning.

Explain the reasoning behind the smell prediction

The shape of a molecule plays a significant role in how it interacts with olfactory receptors in the nose. The complex, three-dimensional shape of this molecule likely fits into specific receptors that trigger the perception of camphoraceous or minty smells. Simpler, linear molecules tend to have different smell profiles. This is a general trend, not a hard and fast rule, as other factors like functional groups can also influence the odor.

\( \boxed{\text{The complex 3D shape interacts with olfactory receptors in a way that typically leads to camphoraceous or minty smells.}} \)

\( \boxed{\text{Globular or cage-like}} \) \( \boxed{\text{Camphoraceous or minty}} \) \( \boxed{\text{The complex 3D shape interacts with olfactory receptors in a way that typically leads to camphoraceous or minty smells.}} \)