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Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.
Jun 25, 2024 · 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 carbon and return the oxygen to the atmosphere.
Oxygen accounts for about 23% of the atmosphere's mass with pairs of oxygen atoms stuck together to make dioxygen molecules, but it's not just in the air, we breathe. Overall, it's the most abundant element on the earth's surface and the third most abundant in the universe after hydrogen and helium.
Sep 29, 2014 · Oxygen is the third most abundant element in the universe, according to the Thomas Jefferson National Accelerator Facility. However, its reactivity made it relatively rare in early Earth's...
Feb 18, 2022 · Your blood oxygen level (blood oxygen saturation) is the amount of oxygen you have circulating in your blood. Oxygen is essential to life, and our bodies need a certain amount of oxygen to function properly.
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.
Jun 3, 2024 · Oxygen saturation is the measure of how much oxygen is traveling through your body in your red blood cells. Normal oxygen saturation for healthy adults is usually between 95% and 100%.
Dec 9, 2021 · How is medicinal oxygen stored and distributed? What is oxygen saturation? How to measure oxygen saturation? What is a pulse oximeter and how is it used? What is the normal oxygen saturation for a healthy individual? What is oxygen therapy?
May 21, 2015 · Oxygen is a colorless, tasteless and odorless gas, but liquid oxygen has a distinct blue color. Oxygen makes up about 21% of the air you breathe by volume. Nearly half the Earth’s crust is oxygen by mass. Oxygen is the most abundant element in the human body accounting for 65% of your weight.
