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

Basic Information

Name: Beryllium
Symbol: Be
Atomic Number: 4
Atomic Mass: 9.012182 amu
Melting Point: 1278.0 °C (1551.15 K, 2332.4 °F)
Boiling Point: 2970.0 °C (3243.15 K, 5378.0 °F)
Number of Protons/Electrons: 4
Number of Neutrons: 5
Classification: Alkaline Earth
Crystal Structure: Hexagonal
Density @ 293 K: 1.8477 g/cm3
Color: gray

Atomic Structure

[Bohr Model of Beryllium]  
Number of Energy Levels: 2

    First Energy Level: 2
    Second Energy Level: 2


Isotope Half Life
Be-753.3 days
Be-102600000.0 years


Date of Discovery: 1798
Discoverer: Fredrich Wohler
Name Origin: From the mineral beryl
Uses: spacecraft, missiles, aircraft
Obtained From: beryl, chrysoberyl

Related Links

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

MLA Format for Citing This Page

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

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

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