Chemical equations

Front

What are the starting materials in a chemical reaction called?

Back

Reactants

Front

What principle states that mass cannot be created or destroyed during ordinary physical or chemical changes?

Back

Law of conservation of mass

Front

What is the right part of a chemical equation called?

Back

Products

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

The products of a reaction have the same ________ as the reactants.

Back

Atoms

Front

What do we call the number in front of a chemical formula that indicates how many molecules are present?

Back

Coefficient

Front

What do we call the small number written after an element symbol in a chemical formula?

Back

Subscript

Front

What is the term for a substance formed as a result of a chemical reaction?

Back

Product

Front

What is the process called when reactants are transformed into products?

Back

Chemical reaction

Front

What is the balanced equation for the combustion of methane (CH₄)?

Back

CH₄ + 2O₂ → CO₂ + 2H₂O