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 caused by. 1  Contiguous spread from infected tissue or an infected prosthetic joint. 2  Bloodborne organisms (hematogenous osteomyelitis) 3  Open wounds (from contaminated open fractures or bone surgery)