Cd
Cadmium (Atomic Number 48)
Category: transition | Period 5, Group 12 | Block: d
Soft bluish-white toxic metal used in protective electroplating.
Atomic & Physical Constants
- Standard Atomic Weight:
- 112.4144 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 18, 2
- Electronegativity (Pauling):
- 1.69
- Melting Point:
- 594.22 K
- Boiling Point:
- 1040 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
NiCd rechargeable batteries, corrosion electroplating, pigments
Discovery History
Discovered by Karl Samuel Leberecht Hermann (1817).
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