Yttrium

Analytical testing dots

Yttrium is a chemical element that has the symbol Y and atomic number 39. A silvery metallic transition metal, yttrium is common in rare-earth minerals and two of its compounds are used to make the red color phosphors in cathode ray tube displays, such as those used for televisions.

 

General
Atomic number:   39
Symbol:   Y
Atomic weight:   88.9059
Boiling Point (C):   3609K
(3336°C, 6037°F)
Melting Point (C):   1799K
(1526°C, 2779°F)
Density:   4.472 g·cm-3
heatVapor:   365 kJ·mol-1
heatFusion:   11.42 kJ·mol-1
Electrical Conductivity:  
Thermal Conductivity:   (300K) 17.2 W·m-1·K-1
Specific Heat Capacity:   (25°C) 26.53 J·mol-1·K-1

 

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