Balancing Chemical Equations

Front

What does the Law of Conservation of Matter state?

Back

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

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is the right part of a chemical equation called?

Back

Products

Front

How many atoms of Hydrogen are in 4H2O?

Back

8

Front

Is the equation 2H2O + O2 --> 4MgO + 3Fe balanced?

Back

No

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are reactants?

Back

The starting materials in a chemical reaction.

Front

What are products?

Back

The new substances that are formed in a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

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

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.