Balancing Chemical Equations

Front

How many atoms of Oxygen (O) are in 4MgO?

Back

4

Front

Is O2 an Element or a Compound?

Back

Element

Front

How many Hydrogen are in 4H2O?

Back

8

Front

How many atoms of Oxygen (O) are in C6H12O6?

Back

6

Front

What is the Law of Conservation of Matter?

Back

A law stating that atoms are not created or destroyed during a chemical reaction.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

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 are reactants in a chemical reaction?

Back

The starting materials that undergo a chemical change.

Front

What are products in a chemical reaction?

Back

The new substances formed as a result of a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.