Polar Covalent Bonds Result from

question 51

Multiple Choice

Polar covalent bonds result from

• A) unequal sharing of electrons in a covalent bond.
• B) equal sharing of electrons in a covalent bond.
• C) equal sharing of electrons in an ionic bond.
• D) unequal sharing of electrons in an ionic bond.
• E) hydrogen bonding between molecules.

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Definitions:

Tension

A physical or psychological state of being stretched tight which can refer to the force applied to something or a feeling of strain and anxiety.

Trachea

A cylindrical tube within the respiratory system that provides air flow to and from the lungs for respiration.

Bronchi

Major passages of the respiratory system that diverge from the windpipe (trachea) and direct air into the lungs.

Cilia

Microscopic, hair-like structures on the surface of cells that move in a waving motion to transport substances across the cell surface.