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Sep 29, 2014 · Density: 0.001429 grams per cubic centimeter. Phase at Room Temperature: Gas. Melting Point: minus 361.82 degrees Fahrenheit (minus 218.79 degrees Celsius) Boiling Point: minus 297.31 degrees F ...
oxygen, Gaseous chemical element, chemical symbol O, atomic number 8. It constitutes 21% (by volume) of air and more than 46% (by weight) of Earth’s crust, where it is the most plentiful element. It is a colourless, odourless, tasteless gas, occurring as the diatomic molecule O 2.
Dec 9, 2021 · Oxygen (O2) is a chemical element. At standard temperature and pressure, two atoms of oxygen bind together to form a colourless and odourless gas with a molecular mass of 32. Together with nitrogen and argon, oxygen is one of the three major constituents of Earth’s atmosphere.
Oxygen is the most abundant element in Earth's crust, and after hydrogen and helium, it is the third-most abundant element in the universe. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and odorless diatomic gas with the formula O2.
Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume. In the air, two oxygen atoms usually join to make dioxygen (O 2), a colourless gas. This gas is often just called oxygen.
What is Oxygen? Oxygen is a member of the chalcogen group on the periodic table. It is an essential element in most combustion processes. It is one of the most abundant elements in the Earth’s crust. Uses of Oxygen. It is used in the production and manufacturing of glass and stone products, and in mining.
Oxygen is a life-saving essential medicine with no substitution. Healthcare professionals use oxygen to treat respiratory illnesses like COVID-19 and pneumonia. Oxygen is also essential for surgery and trauma. Vulnerable groups like older people, pregnant women, young infants and newborns need oxygen therapy regularly.
