Oxygen is a chemical element; it has the symbol O and its atomic number is 8. It is a member of the chalcogen group in the periodic table. It is highly reactive, a nonmetal, and a potent oxidizing agent …

Oxygen | O2 | CID 977 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

Feb 17, 2026 · Oxygen, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of …

Jan 10, 2026 · The form of oxygen we breathe is represented by the formula O₂, or molecular oxygen. This molecule consists of two oxygen atoms chemically bonded together, making up approximately …

Two oxygen atoms strongly bind together with a covalent double bond to form dioxygen or O2. Oxygen is normally found as a molecule. It is called dioxygen. Ozone is another form of pure oxygen. It forms …

Sep 1, 2025 · Yes, both O and O2 are called oxygen, but they represent different forms of the element. O refers to a single oxygen atom, while O2 is a molecule composed of two oxygen atoms bonded …

At room temperature, it is an odorless, tasteless diatomic gas characterized by the formula O 2 [3]. Oxygen has three-known stable isotopes, including 16 O, 17 O, and 18 O with a natural abundance …

Molecular oxygen (O 2) is a diatomic molecule that is composed of two oxygen atoms held together by a covalent bond. Molecular oxygen is essential for life, as it is used for respiration by many organisms. …

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Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). Oxygen forms a molecule (O 2) of two atoms which is a colorless gas at normal temperatures and pressures.