Chemical Elements.com - Californium (Cf)

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Basic Information

Name: Californium
Symbol: Cf
Atomic Number: 98
Atomic Mass: (251.0) amu
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

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
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

MLA Format for Citing This Page

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

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