Ce
Cerium (Atomic Number 58)
Category: lanthanide | Period 6, Group 3 | Block: f
Most abundant rare earth metal; catalytic polishing agent.
Atomic & Physical Constants
- Standard Atomic Weight:
- 140.1161 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 19, 9, 2
- Electronegativity (Pauling):
- 1.12
- Melting Point:
- 1068 K
- Boiling Point:
- 3716 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Automotive catalytic converters, glass polishing, lighter flints
Discovery History
Discovered by Martin Heinrich Klaproth (1803).
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