2019年1月24日 — It has an atomic number of 8 because it has 8 protons in its nucleus. Oxygen means life. Oxygen is vital for life. Most living things use oxygen...
Oxygen therapy, or O2 therapy, is a medical therapy wherein supplemental oxygen is given to anyone suffering from oxygen deficiency. The purpose of oxygen...
2023年10月6日 — Final answer: The symbol 'O' in the chemical formula 'O2' stands for the element oxygen. · Explanation: The symbol O in the chemical formula O2...
O stands for one oxygen atom. 2. 2O represents two oxygen atmos. 3. O2 stands fir oxygen molecule that is present in atmosphere. 4. 3O2 stands for three oxygen...
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