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Europium (Eu)
Element with atomic number 63, category: Lanthanide, a solid at room temperature.
Element 63 of 118
Lanthanide
Europium
Group 9, Period 6 (lanthanide series)
Common Uses
TV screens, anti-counterfeit euro banknotes
Electron Diagram
About Europium
Europium is a chemical element with the symbol Eu and atomic number 63, meaning every atom has 63 protons in its nucleus. It is classed as Lanthanide and is a solid at room temperature. Its atomic mass is about 151.964 atomic mass units (u).
On the periodic table, Europium sits in group 9, period 6 (lanthanide series), which determines how many electron shells it has and how it tends to react with other elements.
Uses of Europium
In daily life and industry, Europium is used for TV screens, anti-counterfeit euro banknotes. These uses are closely tied to the typical properties of elements in the Lanthanide category.
Electron Structure of Europium
Using a simplified electron shell model (at most 2 electrons in the first shell, 8 in the second, 18 in the third, and so on), Europium has 5 electron shells, with an approximate arrangement of 2, 8, 18, 32, 3 electrons from the innermost shell to the outermost. This is a simplified learning model, not the full electron configuration that accounts for the s, p, d and f subshells.
Explore Other Elements
Want to see another element or try the element symbol quiz? Go back to the Interactive Periodic Table to explore all 118 chemical elements.