Which of the Following Is a Guideline for Balancing Redox

Which of the following is a guideline for balancing redox equations by the oxidation number method?

A) Diagram the electrons lost by the substance oxidized and gained by the substance reduced.
B) Place a coefficient in front of the substance oxidized that corresponds to the number of electrons gained by the substance reduced.
C) Place a coefficient in front of the substance reduced that corresponds to the number of electrons lost by the substance oxidized.
D) Verify that the total number of atoms and the total ionic charge are the same for reactants and products.
E) all of the above