Californium

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Californium
251



  Cf
98
1s22s22p63s23p63d104s24p6 4d105s25p64f145d106s26p65f10 7s2
[ ? ] Transuranic element:
Properties:
Silver-white metal.
Hazard:
Radioactive and toxic.


Californium is a chemical element, having the chemical symbol Cf. Its atomic number (the number of protons) is 98. It has a standard atomic weight of 251 g•mol −1 and it is a solid in its elemental form.

Californium is considered a member of the "Transuranic" class of elements. At a pressure of 101.325 kPa, it has a melting point of 860 °C. There is no data available regarding its boiling point.