Balancing Chemical Equations

Front

What is H₂O?

Back

A compound consisting of two hydrogen atoms and one oxygen atom.

Front

What does the Law of Conservation of Mass state?

Back

It states that matter cannot be created or destroyed.

Front

How many elements are in C₆H₁₂O₆?

Back

3 (Carbon, Hydrogen, Oxygen).

Front

What is the little number after an element in a chemical equation called?

Back

Subscript.

Front

Which of the following is a balanced equation?

Back

2Na + 2H₂O → 2NaOH + H₂.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What is the difference between a chemical formula and a chemical equation?

Back

A chemical formula represents a substance, while a chemical equation shows a reaction between substances.