The subscript 2 means that two atoms of the element hydrogen have joined together to form a molecule. A subscript is only used when more than one atom is being represented. The graphic below illustrates the formula for water using symbols. Some more common molecules and their chemical formula.
In most cases, a bacteria called Staphylococcus aureus, a type of staph bacteria, causes osteomyelitis. Certain chronic conditions like diabetes may increase your risk for osteomyelitis.n most cases, a bacteria called Staphylococcus aureus, a type of staph bacteria, causes osteomyelitis. Certain chronic conditions like diabetes may increase your risk for osteomyelitis.
Osteomyelitis is a bone infection. It is mainly caused by bacteria or other germs. Bone infection is most often caused by bacteria. But it can also be caused by fungi or other germs. When a person has osteomyelitis: 1  Bacteria or other germs may spread to a bone from infected skin, muscles, or tendons next to the bone. This may occur under a skin sore.  The infection can start in another part of the body and spread to the bone through the blood.