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.
Treating an older puppy for fleas. Comfortis Chewable Tablets for Dogs are a meat flavored tablet that rapidly kills fleas on dogs and then goes on to prevent flea infestations for a further month. Comfortis starts to kill fleas within 30 minutes of administration and will kill 100% of fleas on a dog within 4 hours.