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Sigma KEE - Caesium
Caesium(铯)

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


(atomicNumber Caesium 55) Mid-level-ontology.kif 27664-27664 55 是 atomic 数字
(boilingPoint Caesium
    (MeasureFn 963.0 KelvinDegree))
Mid-level-ontology.kif 28776-28776 963.0 凯文度boiling
(documentation Caesium EnglishLanguage "Soft silvery-white metallic element belonging to group 1 of the periodic table. One of the three metals which are liquid at room temperature. Cs-133 is the natural, and only stable, isotope. Fifteen other radioisotopes exist. Caesium reacts explosively with cold water, and ice at temperatures above 157K. Caesium hydroxide is the strongest base known. Caesium is the most electropositive, most alkaline and has the least ionization potential of all the elements. Known uses include the basis of atomic clocks, catalyst for the hydrogenation of some organic compounds, and in photoelectric cells. Caesium was discovered by Gustav Kirchoff and Robert Bunsen in Germany in 1860 spectroscopically. Its identification was based upon the bright blue lines in its spectrum. The name comes from the latin word caesius, which means sky blue. Caesium should be considered highly toxic. Some of the radioisotopes are even more toxic.") Mid-level-ontology.kif 27672-27685
(externalImage Caesium "http://upload.wikimedia.org/wikipedia/commons/9/ 97/ Cs-TableImage.png") pictureList.kif 1685-1685
(meltingPoint Caesium
    (MeasureFn 301.55 KelvinDegree))
Mid-level-ontology.kif 28775-28775 301.55 凯文度melting
(names Caesium "Caesium") Mid-level-ontology.kif 27662-27662 "Caesium" 的名 是
(subclass Caesium ElementalSubstance) Mid-level-ontology.kif 27661-27661 元素物质subclass

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


(conventionalShortName "Cs" Caesium) Mid-level-ontology.kif 27663-27663 是 "Cs" 的 conventional 简称
(termFormat ChineseLanguage Caesium "铯") domainEnglishFormat.kif 12646-12646
(termFormat ChineseTraditionalLanguage Caesium "銫") domainEnglishFormat.kif 12645-12645
(termFormat EnglishLanguage Caesium "caesium") domainEnglishFormat.kif 12644-12644

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


(=>
    (and
        (instance ?ATOM Caesium)
        (instance ?ATOM Atom))
    (measure ?ATOM
        (MeasureFn 132.90545 Amu)))
Mid-level-ontology.kif 27666-27670


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