Characteristics of Chemical Reactions Vocabulary

Front

What is a precipitate?

Back

An insoluble solid formed from a chemical reaction.

Front

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

Back

Change in state of matter.

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

What is an example of a compound?

Back

Carbon dioxide (CO2).

Front

Most of the mass in an atom is made up of _____________________?

Back

Protons and neutrons.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is an indicator of a chemical reaction?

Back

A change that provides evidence that a chemical reaction has occurred.

Front

What is the law of conservation of mass?

Back

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

Front

What is 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.