Chemical Reactions Review

Front

What are reactants in a chemical reaction?

Back

Substances that start a chemical reaction.

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical reaction.

Front

What does the arrow in a chemical equation represent?

Back

YIELD, indicating the direction of the reaction from reactants to products.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are involved in the reaction.

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 in a molecule.

Front

How do you balance a chemical equation?

Back

By adjusting the coefficients to ensure the same number of each type of atom on both sides of the equation.

Front

What is the law of conservation of mass?

Back

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

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

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

Front

What is a single replacement reaction?

Back

A type of chemical reaction where one element replaces another in a compound.