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Uniquely strong and light, beryllium is used to make cell phones, missiles and aircrafts. But workers who handle the metal need to watch out, as airborne beryllium has been known to be highly toxic. Named after beryllos , the Greek name for the mineral beryl, the element was originally known as glucinium — from Greek glykys , meaning "sweet" — to reflect its characteristic taste. But the chemists who discovered this unique property of beryllium also found that it is in fact highly toxic and should therefore never be tasted, according to Jefferson Lab.
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Allotropes Some elements exist in several different structural forms, called allotropes. Each allotrope has different physical properties. For more information on the Visual Elements image see the Uses and properties section below. Group A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell.
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Comprehensive data on the chemical element Zirconium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Zirconium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies. A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page. Kenneth Barbalace.
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Discovery of Early Hominins. The immediate ancestors of humans were members of the genus Australopithecus. The australopithecines or australopiths were intermediate between apes and people. Both australopithecines and humans are biologically similar enough to be classified as members of the same biological tribe--the Hominini.
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