Yttrium Element in Periodic Table | Atomic Number Atomic Mass
Yttrium is a chemical element and it is a member of group 3 and period 5 in the periodic table. The atomic number of yttrium is 39 and it is indicated by symbol is Y. It is a soft, silver-metallic, lustrous and highly crystalline transition metal in group 3. Yttrium is never found in nature as a free element and it is almost always found in combination with lanthanide elements in rare-earth minerals. 89Y is the only stable isotope.
Uses Of Yttrium Element:
- Yttrium oxide is widely used in making YVO4 europium, and Y2O3 europium phosphors to give the red color in color television tubes.
- Y is also used to produce yttrium-iron-garmets, which are very effective microwave filters.
- The radioactive isotope yttrium-90 is used to treat some cancers, such as liver cancer.
Yttrium Element Information:
Discovery year: 1794
Discovered by:Johan Gadolin
Atomic number: 39
Relative atomic mass: 88.906
Electron configuration: [Kr] 4d1 5s2
Other elements in the same block:
Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Zirconium, Niobium, Molybdenum, Technetium, Ruthenium, Rhodium, Palladium, Silver, Cadmium, Lanthanum, Hafnium, Tantalum, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Actinium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium and Copernicium are the elements in the same block.
Period: period 5
Other elements in the same period:
Group: group 3
Other elements in the same group:
Other elements in the same orbital:
Key isotopes: 89Y
Melting point: 1522°C, 2772°F, 1795 K
Boiling point: 3345°C, 6053°F, 3618 K
Element category: transition metal
Density (g cm−3): 4.47
CAS number: 7440-65-5
Color: silvery white
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