Chemical Elements.com - Bohrium (Bh)

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Basic Information

Name: Bohrium
Symbol: Bh
Atomic Number: 107
Atomic Mass: (262.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 107
Number of Neutrons: 155
Classification: Transition Metal
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Other Names: Unnilseptium (Uns), Bohrium (Bh), Nielsbohrium (Ns)

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
Bh-261	0.01 seconds
Bh-262	0.1 seconds
Bh-262m	0.0080 seconds

Facts

Date of Discovery: 1976
Discoverer: Peter Armbruster, Gottfried Munzenber and others
Name Origin: After Niels Bohr (Danish physicist)
Uses: No uses known
Obtained From: Man-made

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