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Yttrium


Yttrium was discovered by Johan Gadolin ( 1794 ). It is a soft, silvery-metallic, lustrous and highly crystalline. Very unstable in air; shaving or turnings of the metal can ignite in air at temperature exceeding at 40 degrees Celsius. Yttrium can cause Lung Disease and can make Phosphors.

Discovery

Johan Gadolin ( 1794 )

References

http://en.wikipedia.org/wiki/Yttrium

http://education.jlab.org/itselemental/ele039.html

Unknown extension tag "references"

Element

Symbol: Y

Melting Point: 1795 K ( 1522 Degrees Celsius/2772 Degrees Fahrenheit )

Boiling Point: 3618 K ( 3345 Degrees Celsius/6053 Degrees Fahrenheit )

Atomic Number: 39

Density: 4.47 grams per cubic centimeter

Group: 3, Transition Metals ( D-Block )

Period: 5

Atomic Mass: 88.90585

Phase: Solid

Characteristics: Reacts readily with water

Compound:

-Organo Yttrium Chemistry

-Oxidation State



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