Balancing chemical equations

Front

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

Back

Subscript

Front

How many Mn atoms are found in the compound 2MnO4?

Back

2

Front

Balance the equation: H2 + Cl2 ---> ?

Back

H2 + Cl2 ---> 2HCl

Front

What is the total number of atoms present in 5Na3PO4?

Back

40

Front

What is the right part of a chemical equation called?

Back

Products

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound to indicate how many molecules are present.

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 equation?

Back

The substances that undergo a chemical change, found on the left side of the equation.

Front

What are products in a chemical equation?

Back

The substances formed as a result of a chemical reaction, found on the right side of the equation.

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction; it can only change forms.