Balancing Chemical Equations

To balance a chemical equation, you should start by writing out the __________ equation.

unbalanced

When balancing equations, you should draw __________ around all the chemical formulas.

boxes

You can only put __________ in front of the box when balancing equations, never change anything inside the boxes.

numbers

Creating an __________ inventory helps you count the number of atoms of each element on both sides of the equation.

element

When changing a number in front of a box, you must update the __________ to avoid incorrect balancing.

inventory

The process of balancing is complete when the element inventory is the same __________ and after the reaction.

both before

If there are two hydrogen atoms on the right and four on the left, you would put a __________ in front of water on the right side to balance the hydrogens.

2

Once both sides of the inventory match, the equation is now __________.

balanced