Californium

Californium
Cf
In situ availability:
Necessity:
Atomic number:	98
Atomic mass:	[255]
group:	19
period:	N/A
normal phase:	Solid
series:	Actinide
density:	15.1 g/cm3
melting point:	1173K, 900°C, 1652°F
boiling point:
Tb ← Dy → Ho
Bk ← Cf → Es
N/A ← N/A → N/A
Atomic radius (pm):
Bohr radius (pm):
Covalent radius (pm):
Van der Waals radius (pm):
ionic radius (pm):	(+3) 95
1st ion potential (eV):	6.30
Electron Configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f10 6s2 6p6 7s2
Electrons Per Shell
2, 8, 18, 32, 28, 8, 2
Electronegativity:	1.3
Electron Affinity:	-
Oxidation states:	3
Magnetism:
Crystal structure:	Hexagonal

Californium is a Actinide metal. It has a Hexagonal crystalline structure. It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 251. This element has no stable isotopes.

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