Berkelium |
Symbol: Bk
Atomic Number: 97
Mass: (247.0)
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
Number of Energy Levels: 7
|
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 |
Date of Discovery: 1949
Discoverer: G.T. Seaborg
Name Origin: After Berkeley, California
Uses: No uses known
Obtained From: Man-made