Properties of Water Review

Front

What is the chemical formula for water?

Back

H₂O

Front

Refer to the picture; the meniscus is occurring because of:

Adhesion

,

Cohesion

Back

Adhesion

Front

Why is the water sticking to the spider web?

Back

Adhesion

Front

COHESION

Back

Water molecules attracted to other water molecules.

Front

ADHESION

Back

Water molecules attracted to other substances.

Front

What two elements make up water?

Back

Hydrogen and oxygen

Front

Attractions between water molecules are called

Back

Hydrogen bonds

Front

Why does ice float?

Back

As water freezes, the molecules move farther apart and its density decreases.

Front

How many hydrogens are in THREE molecule of H₂O?

Back

6

Front

Why can water striders walk across the surface of water without falling through?

Back

They are light enough so they don't break the hydrogen bonds holding the water molecules together