Chemical Reactions

Front

What is a chemical reaction?

Back

A process in which atoms rearrange to form new substances.

Front

What are reactants in a chemical equation?

Back

The starting substances that undergo a chemical change.

Front

What is produced in a chemical reaction?

Back

New substances formed as a result of the rearrangement of atoms.

Front

What is the law of conservation of mass?

Back

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

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What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is an example of a chemical change?

Back

Burning paper, which produces ash and gases.

Front

What is a product in a chemical equation?

Back

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

Front

What does the symbol '→' represent in a chemical equation?

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It indicates the direction of the reaction, showing reactants transforming into products.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.