Properties of Matter

Front

What are chemical properties?

Back

Chemical properties are characteristics of a substance that can only be observed when it undergoes a chemical change, resulting in the formation of a new substance.

Front

What are physical properties?

Back

Physical properties are characteristics of a substance that can be observed or measured without changing the substance's chemical identity.

Front

What is the difference between intensive and extensive properties?

Back

Intensive properties do not depend on the amount of substance present (e.g., temperature, density), while extensive properties do depend on the amount of substance (e.g., mass, volume).

Front

Give an example of an extensive physical property.

Back

Mass is an example of an extensive physical property.

Front

Give an example of an intensive physical property.

Back

Temperature is an example of an intensive physical property.

Front

What is an example of a physical property?

Back

Taste is an example of a physical property.

Front

What is the freezing point?

Back

The freezing point is the temperature at which a substance changes from a liquid to a solid, and it is an example of a physical property.

Front

What does it mean if a substance is flammable?

Back

If a substance is flammable, it means it can easily catch fire and burn, which is a chemical property.

Front

What is the definition of toxicity?

Back

Toxicity refers to the degree to which a substance can harm living organisms, and it is a chemical property.

Front

What is radioactivity?

Back

Radioactivity is the property of certain substances to emit radiation as they decay, which is a chemical property.