Hg
Mercury (Atomic Number 80)
Category: transition | Period 6, Group 12 | Block: d
Only metallic element that is liquid at room temperature and pressure.
Atomic & Physical Constants
- Standard Atomic Weight:
- 200.5923 u
- Standard State Phase:
- Liquid
- Electron Configuration:
- 2, 8, 18, 32, 18, 2
- Electronegativity (Pauling):
- 2
- Melting Point:
- 234.321 K
- Boiling Point:
- 629.88 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Thermometers, barometers, fluorescent lighting, tilt switches
Discovery History
Discovered by unknown, before 2000 BCE.
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