Chemical Reactions

Front

What are the starting materials in a chemical reaction called?

Back

Reactants

Front

What do the blue numbers in a chemical equation represent?

Back

They indicate how many of that type of atom is present.

Front

In a chemical reaction, what are reactants changed into?

Back

Products

Front

What indicates that a chemical equation is balanced?

Back

If the number of atoms in the reactants is the same as the number of atoms in the products.

Front

What is a chemical reaction?

Back

A process in which substances (reactants) are transformed into different substances (products).

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 product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.

Front

What is the difference between a reactant and a product?

Back

Reactants are the starting materials, while products are the substances formed after the reaction.

Front

What is a balanced chemical equation?

Back

An equation where the number of each type of atom is the same on both sides of the equation.

Front

What role do coefficients play in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in the reaction.