Chemical Elements.com - Berkelium (Bk)

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Basic Information

Name: Berkelium
Symbol: Bk
Atomic Number: 97
Atomic Mass: (247.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 97
Number of Neutrons: 150
Classification: Rare Earth
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown

Atomic Structure

Number of Energy Levels: 7

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Sixth Energy Level:

Seventh Energy Level:

Isotopes

Isotope	Half Life
Bk-242	7.0 minutes
Bk-244	4.4 hours
Bk-245	4.9 days
Bk-247	1400.0 years
Bk-248	23.7 hours
Bk-249	320.0 days
Bk-250	3.22 hours
Bk-251	56.0 minutes

Facts

Date of Discovery: 1949
Discoverer: G.T. Seaborg
Name Origin: After Berkeley, California
Uses: No uses known
Obtained From: Man-made

MLA Format for Citing This Page

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

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