Properties of Water

Front

What allows small insects to walk on the surface of calm water without breaking it?

Back

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together.

Front

What is a molecule called when it has an opposite electrical charge on each end?

Back

Polar molecule.

Front

What term describes compounds that do not mix well with water?

Back

Hydrophobic.

Front

Which end of the water molecule has a slightly positive charge?

Back

The hydrogen end.

Front

What is the term for the ability of water to stick to other substances?

Back

Adhesion.

Front

What is the term for the attraction between water molecules?

Back

Cohesion.

Front

What property of water allows it to have a high specific heat?

Back

Hydrogen bonding.

Front

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

Back

It helps regulate temperature in organisms and environments.

Front

What is the significance of water being a polar molecule?

Back

It allows water to dissolve many substances, making it a universal solvent.

Front

What is the term for the measure of how acidic or basic a solution is?

Back

pH.