Properties and States of Matter

Front

Why does every sample of a given substance have the same properties?

Back

They are made of the same atoms and molecules.

Front

Why is the composition of an element fixed?

Back

Elements are made of atoms with the same number of protons.

Front

The composition of a compound is described by its:

Back

chemical formula

Front

Why can the properties of a mixture vary?

Back

The components are physically combined.

Front

Mixtures can be classified as solutions, suspensions, or colloids based on:

Back

the size of their particles

Front

How would adding salt instead of sugar to lemonade change its taste?

Back

The lemonade would taste salty.

Front

List seven examples of physical properties: Color, odor, melting point, boiling point, density, solubility, hardness, Color, taste, reactivity, flammability, density, solubility, hardness, Color, odor, reactivity, flammability, density, solubility, hardness, Color, taste, melting point, boiling point, reactivity, solubility, hardness

Back

Color, odor, melting point, boiling point, density, solubility, hardness

Front

Three uses of physical properties are:

Back

Identifying substances, determining state changes, and measuring density

Front

Two processes that are used to separate mixtures are:

Back

Filtration and Evaporation

Front

When you describe a liquid as thick, are you saying that it has a high or a low viscosity?

Back

High viscosity