AP Biology Topic 1.1 Properties of Water

Front

What type of bond connects two hydrogen atoms to a single oxygen atom in a water molecule?

Back

Polar covalent bonds.

Front

What is the attraction between the slight negative charge of one water molecule and the slight positive charge of another called?

Back

A hydrogen bond.

Front

Why does ice float in liquid water?

Back

Hydrogen bonds stabilize and keep the molecules of ice farther apart than the water molecules of liquid water.

Front

What behavior of water is responsible for the temperature increase when water condenses?

Back

The release of heat by the formation of hydrogen bonds.

Front

What effect does the high surface tension of water produce?

Back

A water strider can walk across the surface of a small pond.

Front

What is the term for the ability of water to dissolve many substances?

Back

Solvent.

Front

What property of water allows it to absorb and release large amounts of heat with only small changes in temperature?

Back

High specific heat.

Front

What is the term for the cohesive property of water that allows it to form droplets?

Back

Cohesion.

Front

What is the term for the adhesive property of water that allows it to stick to other surfaces?

Back

Adhesion.

Front

What is the significance of water's high heat of vaporization?

Back

It helps regulate temperature in organisms and environments.