Modeling Conservation of Matter Review

Front

What is the Law of Conservation of Matter?

Back

Matter is not created or destroyed in a chemical reaction; it is only transformed.

Front

What happens to the total number of atoms during a chemical reaction?

Back

The total number of atoms remains the same; they are rearranged.

Front

What is a chemical reaction?

Back

A process where atoms of substances rearrange themselves into new configurations.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical symbol indicating the number of molecules.

Front

What is a subscript in a chemical formula?

Back

A number written below and to the right of a chemical symbol indicating the number of atoms of that element.

Front

What does it mean for mass to be conserved?

Back

The total mass of reactants equals the total mass of products in a chemical reaction.

Front

Can matter be created or destroyed in a chemical reaction?

Back

No, matter cannot be created or destroyed; it can only change forms.

Front

What is an example of a chemical reaction?

Back

Burning wood, where the wood transforms into ash, smoke, and gases.

Front

What is the difference between reactants and products?

Back

Reactants are substances that undergo a chemical change, while products are the substances formed as a result.

Front

How do you balance a chemical equation?

Back

By ensuring the number of atoms for each element is the same on both sides of the equation.