Coverage management programs Below is a list of each of the coverage management programs, with a list of medications that will need tobe reviewed by Medco in order for them to be covered by your plan. Prior authorization.
The chemical symbol H 2 O 2 for hydrogen peroxide is very similar to waterâs H 2 O. The H 2 represents two hydrogen atoms while the O 2 represents two oxygen atoms (water molecules contain only one oxygen atom).he chemical symbol H 2 O 2 for hydrogen peroxide is very similar to waterâs H 2 O. The H 2 represents two hydrogen atoms while the O 2 represents two oxygen atoms (water molecules contain only one oxygen atom).
subscripts is called the chemical formula of the substance. The formula of a simple substance is obtained by writing the symbol of the element and. indicating the number of atoms in a molecule of the substance by a subscript. For example, a molecule of hydrogen contains two atoms. Hence, hydrogen is represented by the formulaH2. A molecule of ozone contains three atoms of oxygen.