Characteristics of Chemical Reactions Vocabulary

Front

What are synthetic materials made from?

Back

Natural substances that undergo a chemical process.

Front

What is an example of a compound?

Back

Carbon dioxide (CO2).

Front

Why is saltwater solution only a physical change?

Back

The salt atoms and water do not recombine to make a new substance.

Front

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

Back

Protons and neutrons.

Front

What is a compound?

Back

A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded.

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 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.

Front

What is an example of a physical change?

Back

Melting ice.