Characteristics of Chemical Reactions Vocabulary

Front

What is a chemical reaction?

Back

The process by which one or more substances change to produce one or more different substances.

Front

How are fireworks an example of a chemical reaction?

Back

Heat, light and sound are given off.

Front

What are the three smaller components that make up atoms?

Back

Neutrons, electrons and protons.

Front

Which of the following is NOT an indicator of a chemical reaction?

Back

Change in state of matter.

Front

What do the red circles represent in an atomic model?

Back

Protons.

Front

What is the definition of a reactant?

Back

A substance that takes part in and undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is an indicator of a chemical reaction?

Back

A sign that a chemical change has occurred, such as color change, gas production, or temperature change.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, matter is neither created nor destroyed.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.