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The 207 pages that link to Oxidation state, each with the reason it gives.

• Antimony pentafluorideRelated: Antimony has oxidation state +5 in SbF₅.

• Chloric acidRelated: The +5 value distinguishes chlorine in chloric acid from its states in other oxoacids.

• Copper(II) chlorideRelated: Copper’s +2 oxidation state distinguishes this salt from copper(I) chloride.

• Copper(II) oxideNarrower topic: The +2 state distinguishes the copper ions in CuO.

• IndiumRelated: Indium commonly forms compounds in the +3 state, but +1 compounds also occur.

• Oxidation of aldehydesRelated: The aldehyde carbon’s oxidation state rises as it becomes a carboxylic acid carbon.

• Oxide mineralRelated: Metal oxidation states help define the formulas and charge balance of oxide minerals.

• Oxygen fugacityRelated: Oxygen fugacity governs which oxidation states are favored in minerals.

• Phosphorus oxidation stateNarrower topic: The general bookkeeping rules define how phosphorus values are assigned.

• Phosphorus oxyacidsRelated: Phosphorus oxyacids span multiple oxidation states, which distinguish their families.

• Redox indicatorRelated: The indicator’s oxidized and reduced forms differ in oxidation state.

• Valence shellRelated: Changes in valence-electron accounting help describe electron transfer in reactions.

• Vanadium redox flow batteryNarrower topic: The battery’s stored charge is encoded in vanadium’s changing oxidation states.

• Vanadium(V) oxideRelated: Vanadium is in the +5 oxidation state in stoichiometric V₂O₅.

• Wacker processRelated: The palladium and copper oxidation states change as the catalyst system turns over.

• Ammonium perchlorateRelated: Chlorine's high oxidation state in perchlorate helps explain its oxidizing character.

• Arsenic acidNarrower topic: Assigning arsenic an oxidation state of +5 distinguishes this acid from arsenous acid.

• Chlorous acidNarrower topic: The +3 oxidation state identifies chlorous acid within chlorine’s oxoacid series.

• Copper(I) oxideRelated: Copper’s +1 oxidation state gives the compound its name.

• HafniumRelated: Hafnium commonly forms compounds in the +4 oxidation state.

• Iron(III) sulfateRelated: The +3 oxidation state distinguishes this salt from iron(II) sulfate.

• IUPAC nomenclature of inorganic chemistryRelated: Roman numerals in Stock names distinguish an element’s oxidation states.

• Krypton difluorideRelated: Assigning krypton the +2 oxidation state captures the formal electron transfer to fluorine.

• NonmetalRelated: Negative oxidation states are common when nonmetals bond with less electronegative elements.

• PnictogenRelated: Pnictogens commonly display −3, +3, and +5 states, with patterns changing down the group.

• Post-transition metalRelated: Variable oxidation states distinguish members such as tin and lead from simpler cases.

• Potassium ferricyanideNarrower topic: Assigning iron's oxidation state distinguishes ferricyanide from ferrocyanide.

• Potassium oxideRelated: Potassium's +1 and oxygen's −2 states determine K₂O's neutral formula.

• PyrolusiteRelated: Manganese is in the +4 oxidation state in MnO₂, enabling reduction in several reactions.

• Arsenic pentoxideNarrower topic: The name and formula reflect arsenic’s +5 oxidation state in this oxide.

• Chromium(III) oxideRelated: Assigning oxygen −2 gives chromium +3 in neutral Cr₂O₃.

• Group 10 elementRelated: Group 10 elements share common oxidation states, but their accessible chemistry varies down the group.

• Iron(II) chlorideNarrower topic: The +2 oxidation state identifies the iron represented in the compound’s name.

• Iron(II) hydroxideRelated: Oxidation-state bookkeeping distinguishes this iron compound from iron(III) hydroxide.

• Lead(II) iodideRelated: The Roman numeral II specifies lead's +2 oxidation state in this compound.

• Main-group elementRelated: Common oxidation states often reflect the valence-electron counts of main-group atoms.

• Potassium iodateRelated: Iodine has oxidation state +5 in iodate, distinguishing it from iodide.

• Potassium peroxideRelated: Each oxygen has oxidation state −1 in the peroxide ion, unlike oxide oxygen.

• Potassium superoxideRelated: The average oxygen oxidation state in KO₂ is −½, reflecting the superoxide ion’s net charge.

• RedoxRelated: Changes in oxidation state identify which atoms lose or gain electrons.

• Sodium chromateNarrower topic: Chromium's +6 state distinguishes chromate chemistry from many less hazardous chromium compounds.

• Spinel groupRelated: Charge balance constrains which cations can occupy sites in AB₂O₄ minerals.

• VanadateRelated: Vanadium’s oxidation state helps distinguish vanadate species and their reactivity.

• Xenon trioxideRelated: Xenon's +6 state helps classify XeO₃ as a high-valent xenon compound.

• Arsenous acidRelated: Arsenic has oxidation state +3 in arsenous acid, distinguishing it from arsenic acid.

• Boron groupRelated: Group 13 elements commonly form +3 compounds, while heavier members also favor +1.

• Bromic acidRelated: Bromine’s +5 state distinguishes bromic acid from other bromine oxoacids.

• Carbon groupRelated: The +4 and +2 states reveal the changing stability of group 14 compounds down the group.

• Cobalt(II) hydroxideRelated: The numeral II specifies cobalt’s formal +2 state in this compound.

• Copper(II) nitrateRelated: Copper’s +2 state distinguishes this salt from copper(I) nitrate.