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The 51 pages that link to Chlorine, each with the reason it gives.

• Oxidizing agentBroader topic: Its electron-accepting reactions help inactivate many waterborne pathogens.

• Sodium chlorideRelated: Chlorine atoms gain one electron to form chloride ions in NaCl.

• Hydrochloric acidRelated: Chlorine atoms become chloride ions in the acid's aqueous chemistry.

• ChlorideNarrower topic: Chloride forms when a chlorine atom gains one electron.

• FluorineCompared with: Chlorine shares fluorine’s halogen chemistry but is less electronegative and less reactive.

• IodineCompared with: Chlorine’s gaseous state and greater reactivity contrast with iodine’s solid form and weaker oxidizing power.

• Hydrogen chlorideCompared with: Chlorine is a reactant in HCl formation, but its elemental molecules differ from HCl’s polar molecules.

• BromineCompared with: Chlorine is lighter and gaseous, while bromine is denser and liquid under the same conditions.

• Chemical warfareBroader topic: Chlorine was among the first toxic gases used on a large scale in World War I.

• HaliteBroader topic: Chlorine forms chloride ions that combine with sodium ions in halite.

• Humphry DavyRelated: Davy established that chlorine was an element rather than a compound.

• Carl Wilhelm ScheeleRelated: Scheele produced chlorine gas in 1774 by reacting manganese dioxide with hydrochloric acid.

• Sodium hypochloriteRelated: Acidifying hypochlorite can release chlorine gas, making cleaner mixtures dangerous.

• Chlorine dioxideRelated: Chlorine is the central atom in chlorine dioxide's molecular structure.

• Hypochlorous acidRelated: Molecular chlorine supplies the chlorine that hydrolysis converts into hypochlorous acid.

• Calcium chlorideNarrower topic: Chlorine is the elemental source of the chloride ions in the compound.

• HypochloriteRelated: Chlorine forms hypochlorite and determines its characteristic oxidizing chemistry.

• Potassium chlorateBroader topic: Chlorine is the central atom in the chlorate ion.

• Sodium chlorateRelated: Chloride oxidation in brine chemistry proceeds through chlorine-containing intermediates.

• PerchlorateNarrower topic: Perchlorate contains chlorine at its highest common oxidation state.

• Second Battle of YpresRelated: German forces used chlorine in the first large-scale gas attack on the Western Front.

• BleachCompared with: Household chlorine bleach is not chlorine gas, though unsafe mixing can release it.

• Mercury(II) chlorideNarrower topic: Recognizing chlorine as an element replaced older theories about hydrochloric acid and its salts.

• Mustard gasCompared with: Unlike mustard, chlorine primarily causes immediate irritation and choking injury.

• PhosgeneCompared with: Chlorine was another major First World War gas; phosgene is colorless and can cause delayed injury.

• Phosphorus trichlorideRelated: Three chlorine atoms bond to phosphorus in each PCl₃ molecule.

• Chemical weapons in World War IBroader topic: Its release at Ypres in 1915 marked the first large-scale use of poison gas on the Western Front.

• Phosphorus pentachlorideRelated: Five chlorine atoms combine with one phosphorus atom in the compound’s formula.

• Aluminium chlorideRelated: Chlorine forms the three Al–Cl bonds represented in the formula AlCl₃.

• Copper(II) chlorideRelated: Chlorine supplies the chloride ions paired with copper.

• Potassium perchlorateRelated: Chlorine is the central atom in the perchlorate ion.

• Aqua regiaRelated: Aqua regia can generate chlorine, an oxidant that helps attack noble metals.

• Blood agentCompared with: It contrasts with blood agents by acting mainly as a choking agent.

• ChloropicrinCompared with: Chlorine was an early chemical-warfare gas; chloropicrin is a distinct carbon-containing compound with different exposure behavior.

• Chlorous acidNarrower topic: Chlorous acid is built from chlorine, oxygen, and hydrogen.

• Barium chlorideNarrower topic: Chloride in the salt is the reduced, negatively charged form of chlorine.

• Main-group elementBroader topic: Its uses show how a p-block nonmetal’s reactivity supports public health and industry.

• MonochloramineRelated: Chlorine chemistry initiates chloramine formation and competes with ammonia for reactions in water.

• Calcium hypochloriteRelated: Calcium hypochlorite releases chlorine-based oxidants whose chemistry derives from chlorine.

• Nitrogen trichlorideCompared with: Chlorine is a reactant in nitrogen trichloride formation, not the resulting nitrogen–chlorine compound.

• Nitrosyl chlorideRelated: Molecular chlorine reacts with nitric oxide to produce NOCl.

• Period 3 elementBroader topic: It shows the strong electron-accepting tendency near the row’s right edge.

• Titanium tetrachlorideRelated: Four chlorine atoms bond to titanium in the molecule and leave as chloride during reduction.

• Antimony trichlorideRelated: Three chlorine atoms bond to antimony in SbCl₃.

• Beryllium chlorideRelated: Chlorine supplies the two chloride atoms in the compound’s formula.

• Phosphoryl chlorideRelated: Chlorine-containing feedstocks provide the chloride groups in POCl₃ production.

• Silicon tetrachlorideRelated: Four chlorine atoms surround silicon in the tetrachloride molecule.

• Sodium chloriteRelated: Chlorine is the central element in the chlorite ion.

• Tin(IV) chlorideRelated: Chlorine supplies the four atoms bonded to tin in SnCl₄.

• Dichlorine monoxideNarrower topic: Cl₂O is a binary compound of chlorine and oxygen, and chlorine supplies its reactive atoms.