Europium

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Europium

Europium (pronounced /jʊˈroʊpiəm/) is a chemical element with the symbol Eu and atomic number 63. It was discovered in 1896 by French chemist Eugène-Anatole Demarçay.

Etymology

The element is named after the continent of Europe.

Properties

Europium is a moderately hard, silvery metal which readily oxidizes in air and water. It is part of the lanthanide series, a group of 15 metallic elements with atomic numbers 57 through 71. Europium is one of the least abundant elements in the universe.

Uses

Europium is used in many high-tech applications. Its phosphorescence is used in television screens and fluorescent lamps. It is also used in the manufacture of lasers.

Health effects

Europium has no known biological role. It is not toxic but should be handled with care as it can ignite in air at temperatures above 150 to 180°C.

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