Y
Yttrium (Atomic Number 39)
Category: transition | Period 5, Group 3 | Block: d
Rare earth transition metal key to lasers and superconductors.
Atomic & Physical Constants
- Standard Atomic Weight:
- 88.905842 u
- Standard State Phase:
- Solid
- Electron Configuration:
- 2, 8, 18, 9, 2
- Electronegativity (Pauling):
- 1.22
- Melting Point:
- 1799 K
- Boiling Point:
- 3203 K
Historical Discovery & Real-World Applications
Industrial & Scientific Uses
YAG lasers, white LEDs, superconductors, phosphors
Discovery History
Discovered by Johan Gadolin (1794).
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