![[ATOM]](atom.gif) |
Californium
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Information valid for Cf-251 unless otherwise noted
Basic Information
Symbol: Cf
Atomic Number: 98
Mass: (251.0)
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 98
Number of Neutrons: 153
Classification: Rare Earth
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Atomic Structure
![[Bohr Model of Californium]](b0098.gif) |
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Number of Energy Levels: 7
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 18
Fourth Energy Level: 32
Fifth Energy Level: 28
Sixth Energy Level: 8
Seventh Energy Level: 2
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Isotopes
| Isotope |
Half Life |
| Cf-245 |
44.0 minutes |
| Cf-246 |
1.5 days |
| Cf-247 |
3.1 hours |
| Cf-248 |
334.0 days |
| Cf-249 |
351.0 years |
| Cf-250 |
13.0 years |
| Cf-251 |
900.0 years |
| Cf-252 |
2.6 years |
| Cf-253 |
17.8 days |
| Cf-254 |
60.5 days |
Facts
Date of Discovery: 1950
Discoverer: G.T. Seaborg
Name Origin: California (State and University)
Uses: No uses known
Obtained From: Man-made