Mg
Magnesium (Atomic Number 12)
Category: alkaline | Period 3, Group 2 | Block: s
Lightweight structural metal and core ion in chlorophyll.
Atomic & Physical Constants
- Standard Atomic Weight:
- 24.305 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 2
- Electronegativity (Pauling):
- 1.31
- Melting Point:
- 923 K
- Boiling Point:
- 1363 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Aerospace alloys, fireworks, antacids, flares, automotive parts
Discovery History
Discovered by Joseph Black (1755).
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