Properties of Water

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

What term describes substances that attract water molecules?

Back

Hydrophilic.

Front

Why is water considered a polar molecule?

Back

The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

Front

What is the term for a substance in a solution that dissolves the other substance and is present in the greater amount?

Back

Solvent.

Front

Why does ice float on water?

Back

As water freezes, it expands and its density decreases.

Front

What is the chemical formula for water?

Back

H2O.

Front

What property of water allows it to have a high surface tension?

Back

Cohesion.

Front

What is the term for the process of water changing from a liquid to a gas?

Back

Evaporation.

Front

What is the term for the process of water changing from a gas to a liquid?

Back

Condensation.

Front

What is the term for the attraction between water molecules?

Back

Cohesion.