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.
Introduction. Osteomyelitis is the medical term for a bone infection, usually caused by bacteria. Osteomyelitis most commonly affects the long bones in the legs, but other bones, such as those in the back or arms, can also be affected.Symptoms of osteomyelitis may include:1  a high temperature (fever) of 38C (100.4F) or above.steomyelitis is the medical term for a bone infection, usually caused by bacteria. Osteomyelitis most commonly affects the long bones in the legs, but other bones, such as those in the back or arms, can also be affected. Symptoms of osteomyelitis may include: 1  a high temperature (fever) of 38C (100.4F) or above.