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Use VSEPR theory to decide which one of the following molecules and ions will have a trigonal pyramidal geometry. (The central atom is always first in the formula.)
Acquired Immunodeficiency Syndrome
A disease caused by the HIV virus that weakens the immune system, making it difficult for the body to fight infections and diseases.
Gingivitis
Inflammation of the gums characterized by redness, swelling, and bleeding, often caused by plaque buildup on the teeth.
Oral Herpes
A viral infection causing sores around the mouth, commonly due to the herpes simplex virus type 1 (HSV-1).
Contact Lenses
Vision-correcting devices that are placed directly on the surface of the eye.
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