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Sigma KEE - Actinium
Actinium(actinium)
Ac, actinium, atomic_number_89

appearance as argument number 1
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(atomicNumber Actinium 89) Mid-level-ontology.kif 28725-28725 89 is an atomic number of actinium
(boilingPoint Actinium
    (MeasureFn 3470.0 KelvinDegree))
Mid-level-ontology.kif 29273-29273 3470.0 Kelvin degree(s) is a boiling point of actinium
(documentation Actinium EnglishLanguage "Silvery radioactive metallic element, belongs to group 3 of the periodic table. The most stable isotope, Ac-227, has a half-life of 217 years. Ac-228 (half-life of 6.13 hours) also occurs in nature. There are 22 other artificial isotopes, all radioactive and having very short half-lives. Chemistry similar to lanthanum. Used as a source of alpha particles. Discovered by A. Debierne in 1899.") Mid-level-ontology.kif 28733-28738
(externalImage Actinium "http://upload.wikimedia.org/wikipedia/commons/d/ dd/ Ac-TableImage.png") pictureList.kif 1618-1618
(meltingPoint Actinium
    (MeasureFn 1320.0 KelvinDegree))
Mid-level-ontology.kif 29272-29272 1320.0 Kelvin degree(s) is a melting point of actinium
(names Actinium "Actinium") Mid-level-ontology.kif 28723-28723 "Actinium" has name actinium
(subclass Actinium ElementalSubstance) Mid-level-ontology.kif 28722-28722 Actinium is a subclass of elemental substance

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


(conventionalShortName "Ac" Actinium) Mid-level-ontology.kif 28724-28724 Actinium is a conventional short name of "Ac"
(termFormat ChineseLanguage Actinium "锕") domainEnglishFormat.kif 5366-5366
(termFormat ChineseTraditionalLanguage Actinium "錒") domainEnglishFormat.kif 5365-5365
(termFormat EnglishLanguage Actinium "actinium") domainEnglishFormat.kif 5364-5364

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


(=>
    (and
        (instance ?ATOM Actinium)
        (instance ?ATOM Atom))
    (measure ?ATOM
        (MeasureFn 227 Amu)))
Mid-level-ontology.kif 28727-28731


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