Αποτελέσματα Αναζήτησης
Oxygen is a nonmetal with the symbol O and atomic number 8. It forms dioxygen gas (O2) and various oxides with most elements and compounds. Learn about its history, isotopes, abundance, role in life and more.
Most O2 combines with carbon and hydrogen atoms from glucose molecules to form cellular energy, known as adenosine triphosphate or ATP, along with carbon dioxide (CO2) and water. The remaining O2 is combined with various compounds to synthesize cellular structures or elimination products ...
24 Οκτ 2024 · Oxygen is a nonmetallic element with the symbol O and atomic number 8. It has two allotropic forms, diatomic (O2) and triatomic (O3, ozone), and is essential for life and combustion.
Oxygen is a colorless, odorless gas with the symbol O and atomic number 8. Its chemical formula is O2, meaning two oxygen atoms are bonded together. Learn more about its physical, chemical, and thermodynamic properties on this web page.
Learn the chemical formula of oxygen (O2), its structural formula, and its properties such as molar mass, density, melting point and boiling point. Oxygen is a colourless, tasteless and odourless gas that is essential for respiration and forms oxides with other elements.
Oxygen is a colourless, odourless gas with the chemical formula O2. It is essential for life and makes up 21% of the atmosphere by volume. Learn more about its discovery, biological role, natural abundance and uses.
Oxygen is a colorless, odorless, and highly reactive non-metal with the chemical symbol O and the formula O 2. It is essential for life and makes up 21% of the Earth's atmosphere. Learn more about its history, properties, isotopes, and uses.