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 and septic arthritis refer to bacterial infection of the bones and joints, respectively. Meningitis -- infection of the tissues that cover and protect the brain and spinal cord -- can be caused by viruses, bacteria or fungi. Common bacterial causes include meningococcus, pneumococcus and streptococcus.acteria live on your skin, in your intestine and in many other body locations. The overwhelming majority of bacteria do not cause disease. However, disease-causing species cause a range of human bacterial illnesses that range from mild to potentially life-threatening.