Europium is a chemical element with the symbol Eu and atomic number 63.
| FactSnippet No. 978,831 |
21 Facts About Europium
2.
Europium is the most reactive lanthanide by far, having to be stored under an inert fluid to protect it from atmospheric oxygen or moisture.
| FactSnippet No. 978,832 |
3.
Europium is the softest lanthanide, as it can be dented with a fingernail and easily cut with a knife.
| FactSnippet No. 978,833 |
4.
Europium was isolated in 1901 and is named after the continent of Europe.
| FactSnippet No. 978,834 |
5.
Europium has no significant biological role and is relatively non-toxic as compared to other heavy metals.
| FactSnippet No. 978,835 |
Related searches
Europe6.
Europium is one of the rarest of the rare-earth elements on Earth.
| FactSnippet No. 978,836 |
7.
Europium is a ductile metal with a hardness similar to that of lead.
| FactSnippet No. 978,837 |
8.
Europium has the second lowest melting point and the lowest density of all lanthanides.
| FactSnippet No. 978,838 |
9.
Europium has been claimed to become a superconductor when it is cooled below 1.
| FactSnippet No. 978,839 |
10.
Europium is produced by nuclear fission, but the fission product yields of europium isotopes are low near the top of the mass range for fission products.
| FactSnippet No. 978,840 |
11.
Europium is commonly included in trace element studies in geochemistry and petrology to understand the processes that form igneous rocks .
| FactSnippet No. 978,841 |
12.
Europium is associated with the other rare-earth elements and is, therefore, mined together with them.
| FactSnippet No. 978,842 |
13.
Europium reacts in a way similar to that of alkaline earth metals and therefore it can be precipitated as a carbonate or co-precipitated with barium sulfate.
| FactSnippet No. 978,843 |
14.
Europium metal is available through the electrolysis of a mixture of molten EuCl3 and NaCl in a graphite cell, which serves as cathode, using graphite as anode.
| FactSnippet No. 978,844 |
15.
Europium compounds tend to exist in a trivalent oxidation state under most conditions.
| FactSnippet No. 978,845 |
16.
Europium sulfide is prepared by sulfiding the oxide at temperatures sufficiently high to decompose the Eu2O3:.
| FactSnippet No. 978,846 |
17.
Europium was first found in 1892 by Paul Emile Lecoq de Boisbaudran, who obtained basic fractions from samarium-gadolinium concentrates which had spectral lines not accounted for by samarium or gadolinium.
| FactSnippet No. 978,847 |
18.
Europium has continued to be in use in the TV industry ever since as well as in computer monitors.
| FactSnippet No. 978,848 |
19.
Europium oxide is widely used as a red phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors.
| FactSnippet No. 978,849 |
20.
Europium is used in the manufacture of fluorescent glass, increasing the general efficiency of fluorescent lamps.
| FactSnippet No. 978,850 |
21.
Europium fluorescence is used to interrogate biomolecular interactions in drug-discovery screens.
| FactSnippet No. 978,851 |