Characteristics of Chemical Reactions Vocabulary

Front

What are synthetic materials made from?

Back

Natural substances that undergo a chemical process.

Front

What is a product in a chemical reaction?

Back

A substance that is produced during a chemical reaction.

Front

How do we know a chemical reaction has taken place at the atomic level when sodium and chlorine react to form salt?

Back

Sodium and chlorine regroup to form a new molecule.

Front

An atom will have neutron(s). Is this statement always true, sometimes true, or never true?

Back

Sometimes true.

Front

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

Back

Change in state of matter.

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products) with different properties.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

Front

What is an indicator of a chemical reaction?

Back

A sign that a chemical reaction 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, mass is neither created nor destroyed; it remains constant.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction showing the reactants and products.