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


Basic Information


Name: Terbium
Symbol: Tb
Atomic Number: 65
Atomic Mass: 158.92534 amu
Melting Point: 1360.0 °C (1633.15 K, 2480.0 °F)
Boiling Point: 3041.0 °C (3314.15 K, 5505.8 °F)
Number of Protons/Electrons: 65
Number of Neutrons: 94
Classification: Rare Earth
Crystal Structure: Hexagonal
Density @ 293 K: 8.27 g/cm3
Color: silverish


Atomic Structure

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

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 27
    Fifth Energy Level: 8
    Sixth Energy Level: 2

Isotopes

Isotope Half Life
Tb-15117.61 hours
Tb-1555.3 days
Tb-1565.3 days
Tb-157110.0 years
Tb-158180.0 years
Tb-159Stable
Tb-16072.3 days
Tb-1616.91 days
Tb-1627.6 minutes

Facts


Date of Discovery: 1843
Discoverer: Carl Mosander
Name Origin: Ytterby (a town in Sweden)
Uses: in color TV's
Obtained From: with other rare earths

Related Links

I currently do not know of any links for Terbium. If you do, please let me know

MLA Format for Citing This Page


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

For more information about citing online sources, please visit the MLA's Website.

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