{"uid":"cap_Vzm9c2i4OmCIxbSyC9bnH","slug":"chemistry-calculators-element-lookup-a77b6c04","name":"Chemistry Calculators – Element Lookup","description":"Periodic table lookup by symbol, name or atomic number: weight, configuration, electronegativity, melting and boiling points.","url":"https://chemistry-calc.x402tookit.com/element-lookup?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["element"],"properties":{"element":{"type":"string","description":"Symbol (Fe), name (iron) or atomic number (26)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"name":{"type":["null","string"]},"block":{"type":["null","string"]},"period":{"type":["null","number"]},"source":{"type":["null","string"]},"symbol":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"discovered":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"atomicNumber":{"type":["null","number"]},"atomicWeight":{"type":["null","number"]},"boilingPointC":{"type":["null","number"]},"boilingPointK":{"type":["null","number"]},"meltingPointC":{"type":["null","number"]},"meltingPointK":{"type":["null","number"]},"standardState":{"type":["null","string"]},"densityGPerCm3":{"type":["null","number"]},"atomicWeightBasis":{"type":["null","string"]},"commonOxidationStates":{"type":["null","string"]},"electronConfiguration":{"type":["null","string"]},"electronegativityPauling":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jY74E9PAMopO1vyJG1F0W","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up periodic table data for any element by symbol, name, or atomic number, returning weight, electron configuration, electronegativity, melting/boiling points, density, and more.","exampleAgentPrompt":"What are the atomic weight, electron configuration, electronegativity, and melting point of tungsten — can you look it up from the periodic table?","exampleUseCases":[{"title":"Student homework element lookup","prompt":"I need the full periodic table data for gold — atomic number, weight, electron configuration, Pauling electronegativity, melting and boiling points, and what block and period it's in."},{"title":"Electronegativity for bond type calculation","prompt":"What's the Pauling electronegativity value for fluorine? I need it to figure out what kind of bond it forms with hydrogen."},{"title":"Engineering material properties check","prompt":"Can you pull up the melting point, boiling point, and density of tungsten from the periodic table? I'm checking if it can handle high-temperature conditions."}],"resultDescription":"Returns a JSON object containing the element's name, symbol, atomic number, atomic weight (and its basis), electron configuration, Pauling electronegativity, melting and boiling points in both Celsius and Kelvin, density in g/cm³, standard state, common oxidation states, period, block, discovery year, and a summary description. May include source attribution and degraded/disclaimer flags.","failureModes":["Unknown or misspelled element input returns null or error fields","Ambiguous input (e.g. a number that doesn't correspond to a known element) may return empty results","Some rare or synthetic elements may have null values for properties like electronegativity or boiling point","Network or payment failure returns no data"],"whenToPreferThis":"Use this endpoint when you need authoritative periodic table data — atomic properties, thermodynamic constants, electron configuration, or electronegativity — for a specific element identified by symbol, name, or atomic number. Prefer it over general chemistry calculation endpoints when the task is purely a property lookup rather than a formula computation or reaction calculation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:15:02.863Z","isFirstParty":false,"canonicalSlug":"chemistry-calculators-element-lookup-a77b6c04"}