Am
Americium (Atomic Number 95)
Category: actinide | Period 7, Group 3 | Block: f
Synthetic actinide emitting steady ionization alpha particles.
Atomic & Physical Constants
- Standard Atomic Weight:
- 243 u
- Standard State Phase:
- Synthetic
- Electron Configuration:
- 2, 8, 18, 32, 25, 8, 2
- Electronegativity (Pauling):
- 1.13
- Melting Point:
- 1449 K
- Boiling Point:
- 2880 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Ionization household smoke detectors, industrial thickness gauges
Discovery History
Discovered by Glenn T. Seaborg (1944).
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