The PCl₅ Molecule Has

question 31

Multiple Choice

The PCl₅ molecule has

• A) nonpolar bonds, and is a nonpolar molecule.
• B) nonpolar bonds, but is a polar molecule.
• C) polar bonds, and is a polar molecule.
• D) polar bonds, but is a nonpolar molecule.

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Definitions:

Vibrio

A spirillum (spiral-shaped bacterium) that is shaped like a comma. Compare with spirillum, spirochete, bacillus, and coccus.

Endospores

Resistant, dormant structures formed within some bacteria, enabling survival in harsh environmental conditions.

Exotoxins

Potent toxins secreted by bacteria that can cause damage to the host by destroying cells or disrupting normal cellular metabolism.

Capsules

In microbiology, a gelatinous covering that encloses some bacteria, enhancing their ability to cause disease.