OXYGEN (O₂)
More than half—55.5 percent to be exact—of the parts of our planet accessible to people consist of oxygen. That’s the share of this element in the atmosphere, hydrosphere (waters) and the earth’s crust down to a depth of 16 kilometers.
More than half—55.5 percent to be exact—of the parts of our planet accessible to people consist of oxygen. That’s the share of this element in the atmosphere, hydrosphere (waters) and the earth’s crust down to a depth of 16 kilometers.
Oxygen owes its name to an error in early natural science. In the 18th century, the pioneers of chemistry thought that the sulfuric and carbonic gas was responsible for the formation of acids. For that reason, they called it "oxygenium" (acid former), a name derived from the Greek words for "acid" and "genesis."
Crucial for refining steel in blast furnaces and enabling high-temperature oxy-fuel welding, cutting, and brazing.
Used for respiratory therapy, anesthesia, and in critical life support systems for treating conditions like COPD and pneumonia.
A key reactant in chemical synthesis and used to accelerate the biological breakdown of waste in modern water treatment plants.
As liquid oxygen (LOX), it serves as a powerful oxidizer for rocket propellants, enabling space exploration and satellite launches.
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