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# Chemistry Examples

Step 1

Since is in column of the periodic table, it will share electrons and use an oxidation state of .

Step 2

Since is in column of the periodic table, it will share electrons and use an oxidation state of .

Step 3

To find the oxidation state of , set up an equation of each oxidation state found earlier and set it equal to .

Step 4

Step 4.1

Simplify .

Step 4.1.1

Add and .

Step 4.1.2

Add and .

Step 4.2

Divide each term in by and simplify.

Step 4.2.1

Divide each term in by .

Step 4.2.2

Simplify the left side.

Step 4.2.2.1

Cancel the common factor of .

Step 4.2.2.1.1

Cancel the common factor.

Step 4.2.2.1.2

Divide by .

Step 4.2.3

Simplify the right side.

Step 4.2.3.1

Divide by .

Step 5

is using an oxidation state of .

Step 6

This is the full list of oxidation states for this molecule.