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Europium at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page

Basic Information

Name: Europium
Symbol: Eu
Atomic Number: 63
Atomic Mass: 151.964 amu
Melting Point: 822.0 °C (1095.15 K, 1511.6 °F)
Boiling Point: 1597.0 °C (1870.15 K, 2906.6 °F)
Number of Protons/Electrons: 63
Number of Neutrons: 89
Classification: Rare Earth
Crystal Structure: Cubic
Density @ 293 K: 5.259 g/cm3
Color: silver

Atomic Structure

[Bohr Model of Europium]  
Number of Energy Levels: 6

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 25
    Fifth Energy Level: 8
    Sixth Energy Level: 2


Isotope Half Life
Eu-14724.4 days
Eu-14854.5 days
Eu-14993.1 days
Eu-15036.0 years
Eu-15213.5 years
Eu-152m9.3 hours
Eu-1548.6 years
Eu-1557.4 years
Eu-15615.2 days


Date of Discovery: 1901
Discoverer: Eugene Demarcay
Name Origin: Europe
Uses: color televisions
Obtained From: Man-made

Related Links

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MLA Format for Citing This Page

Bentor, Yinon. Chemical Element.com - Europium. <http://www.chemicalelements.com/elements/eu.html>.

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