Because there is no net change in charge during a redox reaction, the number of electrons in excess in the oxidation reaction must equal the number consumed by the reduction reaction (as shown above). Elements, even in molecular form, always have an oxidation state of zero.
How to treat fleas on a very young puppy. The safest way to treat a puppy under 6 weeks of age for fleas is to bathe him using warm water and Dawn dishwashing detergent and then to manually pick off remaining fleas. Dawn dishwashing soap is very effective and it kills fleas quickly. Many breeders bathe their dogs in Dawn.
One of the simplest and most effective flea repellents are eucalyptus leaves. For some reason fleas are averse to their smell. Bathing your dog in a mixture of 2 cups of water and a lemon or lime sliced thinly also helps keep off fleas and, like the eucalyptus leaves, smells good.