Astatine![]() | ![]() |
appearance as argument number 1 |
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(atomicNumber Astatine 85) | Mid-level-ontology.kif 26960-26960 | |
(boilingPoint Astatine (MeasureFn 610 KelvinDegree)) |
Mid-level-ontology.kif 27541-27541 | |
(documentation Astatine EnglishLanguage "Radioactive halogen element. Occurs naturally from uranium and thorium decay. At least 20 known isotopes. At-210, the most stable, has a half-life of 8.3 hours. Synthesized by nuclear bombardment in 1940 by D.R. Corson, K.R. MacKenzie and E. Segre at the University of California.") | Mid-level-ontology.kif 26967-26971 | |
(externalImage Astatine "http://upload.wikimedia.org/wikipedia/commons/a/ a9/ At-TableImage.png") | pictureList.kif 1649-1649 | |
(meltingPoint Astatine (MeasureFn 575 KelvinDegree)) |
Mid-level-ontology.kif 27540-27540 | |
(names Astatine "Astatine") | Mid-level-ontology.kif 26958-26958 | |
(subclass Astatine ElementalSubstance) | Mid-level-ontology.kif 26957-26957 |
appearance as argument number 2 |
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(conventionalShortName "At" Astatine) | Mid-level-ontology.kif 26959-26959 | |
(termFormat ChineseLanguage Astatine "砹") | domainEnglishFormat.kif 8819-8819 | |
(termFormat ChineseTraditionalLanguage Astatine "砹") | domainEnglishFormat.kif 8818-8818 | |
(termFormat EnglishLanguage Astatine "astatine") | domainEnglishFormat.kif 8817-8817 |
antecedent |
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(=> (and (instance ?ATOM Astatine) (instance ?ATOM Atom)) (measure ?ATOM (MeasureFn 210 Amu))) |
Mid-level-ontology.kif 26961-26965 |
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