Chemical Reactions

Front

In a balanced chemical equation, the number of atoms for each element is

Back

Equal on both sides.

Front

What is a sign that a chemical reaction has occurred?

Back

Change in color.

Front

How many Carbon (C) atoms are in 2Na₂CO₃?

Back

2

Front

What is the term for a reaction where two or more substances combine to form a single product?

Back

Combination.

Front

How many Hydrogen (H) atoms are on the product side of this chemical equation?

Back

4

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 undergoes change in a chemical reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products.