Zr
Zirconium (Atomic Number 40)
Category: transition | Period 5, Group 4 | Block: d
Highly corrosion-resistant metal with low neutron cross-section.
Atomic & Physical Constants
- Standard Atomic Weight:
- 91.2242 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 10, 2
- Electronegativity (Pauling):
- 1.33
- Melting Point:
- 2128 K
- Boiling Point:
- 4650 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
Nuclear fuel rod cladding, cubic zirconia gemstone synthesis
Discovery History
Discovered by Martin Heinrich Klaproth (1789).
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