| Actinium
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| appearance as argument number 1 |
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| (atomicNumber Actinium 89) | Mid-level-ontology.kif 30729-30729 | |
| (boilingPoint Actinium (MeasureFn 3470.0 KelvinDegree)) |
Mid-level-ontology.kif 31277-31277 | |
| (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 30737-30742 | |
| (externalImage Actinium "http://upload.wikimedia.org/wikipedia/commons/d/ dd/ Ac_TableImage.png") | pictureList.kif 1617-1617 | |
| (meltingPoint Actinium (MeasureFn 1320.0 KelvinDegree)) |
Mid-level-ontology.kif 31276-31276 | |
| (names Actinium "Actinium") | Mid-level-ontology.kif 30727-30727 | |
| (roomTempState Actinium Solid) | Mid-level-ontology.kif 33484-33484 | |
| (subclass Actinium ElementalSubstance) | Mid-level-ontology.kif 30726-30726 |
| appearance as argument number 2 |
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| (conventionalShortName "Ac" Actinium) | Mid-level-ontology.kif 30728-30728 | |
| (termFormat ChineseLanguage Actinium "锕") | domainEnglishFormat.kif 5367-5367 | |
| (termFormat ChineseTraditionalLanguage Actinium "錒") | domainEnglishFormat.kif 5366-5366 | |
| (termFormat EnglishLanguage Actinium "actinium") | domainEnglishFormat.kif 5365-5365 |
| antecedent |
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| (=> (and (instance ?ATOM Actinium) (instance ?ATOM Atom)) (measure ?ATOM (MeasureFn 227 Amu))) |
Mid-level-ontology.kif 30731-30735 |
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