Chemical and Physical Properties of Matter

Front

What is a chemical property of a substance?

Back

A characteristic that can only be observed during a chemical reaction, such as reactivity with other substances.

Front

What are physical properties?

Back

Characteristics of a substance that can be observed or measured without changing the substance's identity, such as color, density, and melting point.

Front

Define melting point.

Back

The temperature at which a solid becomes a liquid.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical property.

Back

Color, density, melting point, boiling point.

Front

What is density?

Back

The mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What happens to the boiling point of a substance?

Back

The temperature at which a liquid turns into a gas.

Front

What is the difference between a physical and chemical property?

Back

Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What does it mean if a substance reacts with bleach?

Back

It indicates a chemical property, as it involves a chemical reaction.