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Sigma KEE - Boron

appearance as argument number 1

(atomicNumber Boron 5) Mid-level-ontology.kif 25591-25591
(boilingPoint Boron
    (MeasureFn 2823 KelvinDegree))
Mid-level-ontology.kif 27343-27343
(documentation Boron EnglishLanguage "An element of group 13 of the periodic table. There are two allotropes, amorphous boron is a brown power, but metallic boron is black. The metallic form is hard (9.3 on Mohs' scale) and a bad conductor in room temperatures. It is never found free in nature. Boron-10 is used in nuclear reactor control rods and shields. It was discovered in 1808 by Sir Humphry Davy and by J.L. Gay-Lussac and L.J. Thenard.") Mid-level-ontology.kif 25598-25604
(externalImage Boron " B-TableImage.svg") pictureList.kif 1673-1673
(externalImage Boron " 2/ 20/ B%2C5.jpg/ 125px-B%2C5.jpg") pictureList.kif 1054-1054
(meltingPoint Boron
    (MeasureFn 2573 KelvinDegree))
Mid-level-ontology.kif 27342-27342
(names Boron "Boron") Mid-level-ontology.kif 25589-25589
(subclass Boron ElementalSubstance) Mid-level-ontology.kif 25588-25588

appearance as argument number 2

(conventionalShortName "B" Boron) Mid-level-ontology.kif 25590-25590
(termFormat EnglishLanguage Boron "boron") domainEnglishFormat.kif 2368-2368


        (instance ?ATOM Boron)
        (instance ?ATOM Atom))
    (measure ?ATOM
        (MeasureFn 10.811 Amu)))
Mid-level-ontology.kif 25592-25596

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