Oxygen acids refer to a group of compounds that have at least one hydrogen atom attached to an oxygen atom that is part of a functional group, such as a carboxylic or sulfonic acid group. Synonyms for oxygen acid include oxoacids, oxyacids, and acid oxides. Oxidizing acids are another term used for oxygen acids, as they typically have a high oxidation state and can act as oxidizing agents in certain chemical reactions. These compounds play important roles in various industrial and biological processes, such as the production of fertilizers, cleaning agents, and pharmaceuticals. Understanding the properties and naming conventions of oxygen acids is crucial in chemistry and related fields.