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Definitions for "Europium"
Keywords:  demarcay, trf, trivalent, bivalent, rare
Related Terms: Lanthanides, Samarium, Rare earth elements, Nonmetal, Boron, Metalloid, Neodymium, Element, Elements, Yttrium, Chemical element, Metals, Metal, Transition metals, Rare earth, Selenium, Electropositive, Antimony, Oxidation state, Transition element, Osmium, Zinc , Magnesium, Atom, Molecule, Strontium, Oxidation number, Trace element, Bismuth, Compound, Thallium, Molecules, Valence, Atoms, Zirconium, Isotope , Diatomic, Compounds, Arsenic, Cadmium, Periodic law, Tellurium, Divalent, Heavy metals, Atomic theory, Oxide, Subatomic particle, Nucleosynthesis, Oxidize, Isotopes
A metallic element of the rare-earth group (Lanthanide series), discovered spectroscopically by Demarcay in 1896. Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011); valence = +2 or +3.
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a bivalent and trivalent metallic element of the rare earth group
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a ductile silvery metal which reacts rapidly with air and water
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