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- YTTRIUM
- Atomic symbol - Y
- Atomic weight - 88.90585
- Atomic number - 39
- Electron configuration - 2-8-18-9-2
- Oxidation states - +3
- State of matter - solid
- Heavy metal-brittle
- Discovered in 1794 by Johan Gadolin
- Boils at 3337 ¯C, melts at 1523 ¯C
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- Notes:
- Yttrium is used for red phosphorus in color TV's. It is a silvery metal,
- ductile, and fairly reactive. Yttrium is the first rare earth element
- discovered. Yttrium can occur as a by-product of nuclear fission. It is an
- important element in the high-tech superconductor, yttrium barium copper oxide.
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