Cr
Chromium (Atomic Number 24)
Category: transition | Period 4, Group 6 | Block: d
Lustrous, hard transition metal resistant to tarnishing.
Atomic & Physical Constants
- Standard Atomic Weight:
- 51.99616 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 13, 1
- Electronegativity (Pauling):
- 1.66
- Melting Point:
- 2180 K
- Boiling Point:
- 2944 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Stainless steel, chrome plating, dye pigments, leather tanning
Discovery History
Discovered by Louis Nicolas Vauquelin (1797).
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