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The 93 pages that link to Oxygen, each with the reason it gives.

• Carbon dioxideNarrower topic: Two oxygen atoms bond to carbon to form each CO₂ molecule.

• CombustionRelated: Most familiar fires use oxygen from air as the oxidizer.

• OxidationRelated: Oxygen's historical association with oxidation explains the term's original chemical sense.

• WaterRelated: Oxygen supplies the central atom in every water molecule.

• Molecular orbital theoryBroader topic: Its two unpaired electrons in antibonding orbitals explain its paramagnetism.

• CorrosionRelated: Dissolved oxygen often serves as the cathodic reactant in aqueous corrosion.

• Silicate mineralRelated: Oxygen atoms occupy tetrahedral corners and may be shared between neighboring units.

• Carbon monoxideCompared with: Oxygen competes with carbon monoxide for binding sites in hemoglobin.

• Oxidative phosphorylationRelated: Complex IV transfers electrons to oxygen, forming water and sustaining electron flow.

• Dissolved oxygenNarrower topic: Dissolved oxygen is the aqueous form of molecular oxygen.

• AuroraRelated: Excited atomic oxygen produces prominent green and red auroral light.

• Antoine LavoisierRelated: Lavoisier identified oxygen’s role in combustion and helped establish its modern chemical account.

• Hydroxyl groupNarrower topic: Oxygen’s bonding and electronegativity give the hydroxyl group its defining properties.

• Swim bladderRelated: Oxygen is a major gas secreted into the swim bladders of many fishes.

• Nitric oxideCompared with: Oxygen participates in NO production and reactions, but has different stability and biological roles.

• Food spoilageRelated: Oxygen availability favors some spoilage microbes and drives oxidative changes in fats and pigments.

• FluorineCompared with: Oxygen is also highly electronegative, but its bonding and elemental behavior differ from fluorine’s.

• SulfateRelated: Four oxygen atoms surround sulfur in the sulfate ion.

• Seed germinationRelated: Most germinating seeds need oxygen to generate energy from stored reserves.

• Oxygen isotope ratioNarrower topic: Its naturally occurring isotopes form the numerator and denominator of the ratio.

• Cutaneous respirationRelated: Cutaneous uptake supplies oxygen for cellular energy production.

• NitrateRelated: Three oxygen atoms surround nitrogen in nitrate’s trigonal planar structure.

• GerminationRelated: Many seeds require oxygen for the respiration that supports germination.

• Electron transport chainRelated: At the end of the aerobic mitochondrial chain, oxygen accepts electrons and forms water.

• Potassium hydroxideRelated: Oxygen is part of the hydroxide group in KOH.

• Tracheal systemRelated: The network supplies oxygen from the external environment to metabolizing tissues.

• Lipid peroxidationRelated: Molecular oxygen combines with lipid radicals to form peroxyl radicals during propagation.

• ErythropoietinRelated: Low oxygen availability is the main physiological signal that raises erythropoietin levels.

• AllotropyRelated: Its O₂ and O₃ forms are familiar gaseous allotropes.

• Magnesium oxideRelated: Oxygen supplies the negative ions that balance magnesium’s charge.

• Titanium dioxideNarrower topic: Oxygen bonds to titanium in the compound’s stable TiO₂ stoichiometry.

• MoleculeBroader topic: It shows that a molecule can consist of atoms of one element.

• Carl Wilhelm ScheeleRelated: Scheele prepared oxygen before Joseph Priestley published his independent discovery.

• Chlorine dioxideRelated: Two oxygen atoms bond to chlorine in each chlorine dioxide molecule.

• OxideNarrower topic: Its high electronegativity and usual −2 oxidation state shape the bonding in most oxides.

• Zinc oxideBroader topic: Oxygen supplies the O²⁻ ions that balance zinc’s charge in ZnO.

• Enzymatic browningRelated: Polyphenol oxidase requires molecular oxygen to oxidize phenolic compounds.

• Iron(III) oxideRelated: Oxygen atoms combine with iron in the 3:2 ratio that defines Fe₂O₃.

• LystrosaurusRelated: Changes in atmospheric oxygen are among the environmental stresses considered in extinction-survival studies.

• PeroxidesNarrower topic: Peroxides are a distinctive family of oxygen compounds.

• PhotorespirationRelated: Its availability at the enzyme competes with carbon dioxide for RuBisCO’s active site.

• Controlled-atmosphere storageRelated: Reducing oxygen is a central means of slowing produce metabolism during storage.

• Fire triangleRelated: In ordinary fires, oxygen from the surrounding air supports combustion.

• Ozone–oxygen cycleNarrower topic: O₂ supplies the atoms from which atmospheric ozone is formed.

• Aluminium oxideRelated: Oxygen combines with aluminium in the compound's fixed 3:2 atomic ratio.

• Iron(II) oxideRelated: Oxygen forms the oxide sublattice in FeO.

• Lipid oxidationRelated: Molecular oxygen supplies the oxygen incorporated into many oxidation products.

• Oxide ionNarrower topic: An oxide ion is an oxygen atom that has gained two electrons.

• Potassium chlorateRelated: Oxygen gas is released as potassium chlorate decomposes.

• Acetic acid fermentationRelated: The fermentation depends on oxygen as the terminal electron acceptor.