Bi
Bismuth (Atomic Number 83)
Category: post-transition | Period 6, Group 15 | Block: p
Heavy post-transition metal forming iridescent rainbow oxide crystals.
Atomic & Physical Constants
- Standard Atomic Weight:
- 208.980401 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 32, 18, 5
- Electronegativity (Pauling):
- 2.02
- Melting Point:
- 544.7 K
- Boiling Point:
- 1837 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Pepto-Bismol pharmaceuticals, non-toxic lead substitutes
Discovery History
Discovered by Claude François Geoffroy (1753).
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