Properties of Water

Front

What makes up a molecule of water?

Back

One atom of oxygen and two atoms of hydrogen.

Front

Why does ice float on water?

Back

Because water expands when it freezes.

Front

Which of the following is NOT a unique property of water?

Back

Water cools very rapidly.

Front

What are the attractions between water molecules called?

Back

Hydrogen bonds.

Front

What is the chemical formula for water?

Back

H₂O.

Front

What is cohesion in the context of water?

Back

Cohesion is the attraction between water molecules due to hydrogen bonding.

Front

What is adhesion in the context of water?

Back

Adhesion is the attraction between water molecules and other substances.

Front

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

Back

It allows water to absorb and retain heat, stabilizing temperatures in the environment.

Front

What is surface tension in water?

Back

Surface tension is the cohesive force at the surface of water that makes it behave like a stretched elastic membrane.

Front

How does water's polarity affect its properties?

Back

Water's polarity allows it to form hydrogen bonds, leading to unique properties like high boiling point and solvent capabilities.