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   Lanthanum
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| appearance as argument number 1 |
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| (atomicNumber Lanthanum 57) | Mid-level-ontology.kif 28271-28271 | |
| (boilingPoint Lanthanum (MeasureFn 3727.0 KelvinDegree)) |
Mid-level-ontology.kif 29345-29345 | |
| (documentation Lanthanum EnglishLanguage "(From the Greek word lanthanein, to line hidden) Silvery metallic element belonging to group 3 of the periodic table and oft considered to be one of the lanthanoids. Found in some rare-earth minerals. Twenty-five natural isotopes exist. La-139 which is stable, and La-138 which has a half-life of 10^10 to 10^15 years. The other twenty-three isotopes are radioactive. It resembles the lanthanoids chemically. Lanthanum has a low to moderate level of toxicity, and should be handled with care. Discovered in 1839 by C.G. Mosander.") | Mid-level-ontology.kif 28279-28286 | |
| (externalImage Lanthanum "http://upload.wikimedia.org/wikipedia/commons/ 2/ 2f/ La%2C57.jpg") | pictureList.kif 2245-2245 | |
| (externalImage Lanthanum "http://upload.wikimedia.org/wikipedia/commons/ a/ ae/ La-TableImage.png") | pictureList.kif 1830-1830 | |
| (externalImage Lanthanum "http://upload.wikimedia.org/wikipedia/commons/ thumb/ 2/ 2f/ La%2C57.jpg/ 125px-La%2C57.jpg") | pictureList.kif 1153-1153 | |
| (meltingPoint Lanthanum (MeasureFn 1193.0 KelvinDegree)) |
Mid-level-ontology.kif 29344-29344 | |
| (names Lanthanum "Lanthanum") | Mid-level-ontology.kif 28269-28269 | |
| (roomTempState Lanthanum Solid) | Mid-level-ontology.kif 31539-31539 | |
| (subclass Lanthanum ElementalSubstance) | Mid-level-ontology.kif 28268-28268 |
| appearance as argument number 2 |
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| (conventionalShortName "La" Lanthanum) | Mid-level-ontology.kif 28270-28270 | |
| (termFormat ChineseLanguage Lanthanum "镧") | domainEnglishFormat.kif 33325-33325 | |
| (termFormat ChineseTraditionalLanguage Lanthanum "鑭") | domainEnglishFormat.kif 33324-33324 | |
| (termFormat EnglishLanguage Lanthanum "lanthanum") | domainEnglishFormat.kif 33323-33323 |
| antecedent |
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| (=> (and (instance ?ATOM Lanthanum) (instance ?ATOM Atom)) (measure ?ATOM (MeasureFn 138.9055 Amu))) |
Mid-level-ontology.kif 28273-28277 |
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