Using the VSEPR Model, the Molecular Geometry of the Central

question 90

Multiple Choice

Using the VSEPR model, the molecular geometry of the central atom in CF₄ is __________.

• A)linear
• B)trigonal planar
• C)tetrahedral
• D)bent
• E)trigonal pyramidal

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Cuticle

The cuticle is a protective and waxy or hard outer layer found on the surface of plants, hairs, nails, and other surfaces, serving as a barrier against environmental damage.

Medulla

A section of the brainstem that controls vital bodily functions such as heartbeat and breathing.

Hair Root

The part of the hair located below the surface of the epidermis.

Hair Shaft

The visible part of the hair that extends above the skin surface, made of keratin and dead skin cells.