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Sigma KEE - Iridium
Iridium(iridium)
Ir, atomic_number_77, iridium

appearance as argument number 1
-------------------------


(atomicNumber Iridium 77) Mid-level-ontology.kif 28582-28582 77 is an atomic number of iridium
(boilingPoint Iridium
    (MeasureFn 4403.0 KelvinDegree))
Mid-level-ontology.kif 29334-29334 4403.0 Kelvin degree(s) is a boiling point of iridium
(documentation Iridium EnglishLanguage "Very hard and brittle, silvery metallic transition element. It has a yellowish cast to it. Salts of iridium are highly colored. It is the most corrosion resistant metal known, not attacked by any acid, but is attacked by molten salts. There are two natural isotopes of iridium, and 4 radioisotopes, the most stable being Ir-192 with a half-life of 73.83 days. Ir-192 decays into {platinum}, while the other radioisotopes decay into {osmium}. Iridium is used in high temperature apparatus, electrical contacts, and as a hardening agent for platinum. Discovered in 1803 by Smithson Tennant in England. The name comes from the Greek word iris, which means rainbow. Iridium metal is generally non-toxic due to its relative unreactivity, but iridium compounds should be considered highly toxic.") Mid-level-ontology.kif 28590-28601
(externalImage Iridium "http://upload.wikimedia.org/wikipedia/commons/7/ 76/ Iridium_foil.jpg") pictureList.kif 2238-2238
(externalImage Iridium "http://upload.wikimedia.org/wikipedia/commons/e/ e8/ Ir-TableImage.png") pictureList.kif 1820-1820
(externalImage Iridium "http://upload.wikimedia.org/wikipedia/commons/thumb/ 7/ 76/ Iridium_foil.jpg/ 125px-Iridium_foil.jpg") pictureList.kif 1148-1148
(meltingPoint Iridium
    (MeasureFn 2683.0 KelvinDegree))
Mid-level-ontology.kif 29333-29333 2683.0 Kelvin degree(s) is a melting point of iridium
(names Iridium "Iridium") Mid-level-ontology.kif 28580-28580 "Iridium" has name iridium
(roomTempState Iridium Solid) Mid-level-ontology.kif 31527-31527 roomTempState iridium and solid
(subclass Iridium ElementalSubstance) Mid-level-ontology.kif 28579-28579 Iridium is a subclass of elemental substance

appearance as argument number 2
-------------------------


(conventionalShortName "Ir" Iridium) Mid-level-ontology.kif 28581-28581 Iridium is a conventional short name of "Ir"
(termFormat ChineseLanguage Iridium "铱") domainEnglishFormat.kif 30997-30997
(termFormat ChineseTraditionalLanguage Iridium "銥") domainEnglishFormat.kif 30996-30996
(termFormat EnglishLanguage Iridium "iridium") domainEnglishFormat.kif 30995-30995

antecedent
-------------------------


(=>
    (and
        (instance ?ATOM Iridium)
        (instance ?ATOM Atom))
    (measure ?ATOM
        (MeasureFn 192.217 Amu)))
Mid-level-ontology.kif 28584-28588


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