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Sigma KEE - Caesium
Cs, atomic_number_55, caesium, cesium

appearance as argument number 1

(atomicNumber Caesium 55) Mid-level-ontology.kif 26425-26425 55 is an atomic number of caesium
(boilingPoint Caesium
    (MeasureFn 963 KelvinDegree))
Mid-level-ontology.kif 27481-27481 963 Kelvin degree(s) is a boiling point of caesium
(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 26432-26445
(externalImage Caesium " 97/ Cs-TableImage.png") pictureList.kif 1685-1685
(meltingPoint Caesium
    (MeasureFn 301.55 KelvinDegree))
Mid-level-ontology.kif 27480-27480 301.55 Kelvin degree(s) is a melting point of caesium
(names Caesium "Caesium") Mid-level-ontology.kif 26423-26423 "Caesium" has name caesium
(subclass Caesium ElementalSubstance) Mid-level-ontology.kif 26422-26422 Caesium is a subclass of elemental substance

appearance as argument number 2

(conventionalShortName "Cs" Caesium) Mid-level-ontology.kif 26424-26424 Caesium is a conventional short name of "Cs"
(termFormat ChineseLanguage Caesium "铯") domainEnglishFormat.kif 12587-12587
(termFormat ChineseTraditionalLanguage Caesium "銫") domainEnglishFormat.kif 12586-12586
(termFormat EnglishLanguage Caesium "caesium") domainEnglishFormat.kif 12585-12585


        (instance ?ATOM Caesium)
        (instance ?ATOM Atom))
    (measure ?ATOM
        (MeasureFn 132.90545 Amu)))
Mid-level-ontology.kif 26426-26430

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