98
Cf
251
Californium
Element 98 · 251 u · f-block
actinide
One of the most expensive substances on Earth (~$27M/gram). Used as a neutron source for detecting gold and water.
Phase (STP)
Solid
Melting Point
900 °C
Boiling Point
1472 °C
Density
15.1 g/cm³
Electronegativity
1.3
Atomic Radius
—
Ionization Energy
608 kJ/mol
Electron Affinity
—
Discovered
1950 · Stanley G. Thompson
Electron Configuration
[Rn] 5f10 7s2
Electron Orbitals
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