Definitionn. a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
Last update: July 6, 2015
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Xenon is a poisonous gas. [Please select]
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The elements are usually divided into two classes, the metallic and the non-metallic elements; the following are classed as non-metals, and the remainder as metals: Of these hydrogen, chlorine, fluorine, oxygen, nitrogen, argon, neon, krypton, xenon and helium are gases, bromine is a liquid, and the remainder are solids. [Please select]
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[Footnote 1: [Greek: "Diplês de phasin euporêsai kardias Kai tê men einai thumikon to thêrion Eis akratê kinêsin êrethismenon, Tê de prosênes kai thrasytêtos xenon." [Please select]
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