Characteristics of Chemical Reactions Vocabulary

Front

What is a precipitate?

Back

An insoluble solid formed from a chemical reaction.

Front

What is the simplest unit of a chemical compound that can exist?

Back

Molecule.

Front

What are synthetic materials made from?

Back

Natural substances that undergo a chemical process.

Front

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

Back

Protons and neutrons.

Front

What is a reactant in a chemical reaction?

Back

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

Front

What is a product in a chemical reaction?

Back

A substance that is produced in a chemical reaction.

Front

What is a chemical equation?

Back

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

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases energy to its surroundings.