Properties of Water

Front

What makes up a molecule of water?

Back

one atom of oxygen, two atoms of hydrogen

Front

Why does ice float on water?

Back

Water expands when it freezes.

Front

A water molecule is composed of 2 H atoms and 1 O atom. What is the chemical equation for water?

Back

H2O

Front

Water is a polar molecule, which means it has a positive and a negative side. Hydrogen bonds form when:

Back

_{The positive end of one water molecule bonds to the negative end of another water molecule.}

Front

The ability of water molecules to stick to each other, creating surface tension is called:

Back

Cohesion

Front

The fact that water can stick to other substances is called:

Back

Adhesion

Front

Does water have a very high heat capacity, meaning it resists changing temperature when heat is added or removed?

Back

True

Front

What two elements make up water?

Back

Hydrogen and oxygen

Front

Why is water considered a universal solvent?

Back

Dissolves more substances than anything else

Front

Which of the following characteristics of water is not a result of hydrogen bonding? Options: adhesive strength, capillarity, cohesive strength, All of the above are a result of hydrogen bonding.

Back

All of the above are a result of hydrogen bonding.