Plants and algae are examples of living organisms that produce oxygen as a byproduct of photosynthesis. They use sunlight, water, and carbon dioxide to create glucose and release oxygen into the atmosphere.
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An oxidizer is a material that yields oxygen, causing or enhancing the combustion of other materials. Oxidizers are essential components in fireworks, rocket propellants, and other pyrotechnic devices.
An oxidizing agent.
Oxygen itself does not burn, but it supports combustion. The temperature at which oxygen supports combustion varies depending on the material burning. Factors that influence combustion temperature include the type of material, the amount of oxygen present, and the efficiency of the combustion process.
The oxidation number of the ion is -1. Oxygen atoms have -2 oxidation number each. Nitrogen's oxidation number is +3: 4 covalent bonds with oxygen yields +4 and the central negative charge yields -1.
Combustibility is the term for a material's ability to burn in the presence of oxygen.