Element Data Atomic Symbol: Y Atomic Number: 39 Atomic Weight: 88.90585(2) Isotopes and Abundances: 89 Y, 100% 1 Atm Melting Point: 1522 °C 1 Atm Boiling Point: 3345 °C Common Valences: 3+ Ionic Radii: 6-fold: 90 pm, 7-fold: 96 pm, 8-fold: 101.9, 9-fold 107.5 Pauling ...
(Elements & Compounds) a silvery metallic element occurring in monazite and gadolinite and used in various alloys, in lasers, and as a catalyst. Symbol: Y; atomic no: 39; atomic wt: 88.90585; valency: 3; relative density: 4.469; melting pt: 1522°C; boiling pt: 3338°C ...
It is element no. 39 in the periodic table and has the symbol Y. Yttrium (as yttrium oxide) was first found in 1789 by Johan Gadolin in the mineral ytterbite, which had been discovered in 1787 near Ytterby in sweden. The element yttrium was first isolated from the mineral in 1828. ...
Yttrium (pronounced /ˈɪtriəm/ IT-ree-əm) is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element.[2] Yttrium is almost always found com...
nounChemical symbol, Y; atomic weight, 89 (?). A metal, the base of the earth yttria. from the GNU version of the Collaborative International Dictionary of English. noun(Chem.)A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted ...
Yttrium is a chemical element; it has symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a "rare-earth element".[5] Yttrium is almost always found in combination with lanthanide elements in rare-earth...
a metallic element that occurs in minerals along with other similar uncommon elements see element yttrium医学词典英英释义 yttriumnoun a trivalent metallic element usually included among the rare earth elements which it resembles chemically and with which it occurs in minerals—symbol Y see Chemical E...
Medical Definition yttrium noun yt·tri·um ˈi-trē-əm : a trivalent metallic element usually included among the rare earth elements which it resembles chemically and with which it occurs in minerals symbol Y see Chemical Elements Table More...
The element above yttrium in the periodic table is scandium. The space below yttrium is taken up by a group of elements known as the rare earth elements. Scandium, yttrium, and the rare earth elements are often found together in nature. SYMBOL Y ATOMIC NUMBER 39 ATOMIC MASSY 88.9059 ...
About this element Symbol: YDate of discovery: 1794Name origin: Ytterby, SwedenAppearance: silveryDiscoverer: Johann GadolinObtained from: monazite, bastnasite Melting point: 1799 KBoiling point: 3609 KDensity[kg/m3]: 4472Molar volume: 19.88 × 10-6 m3/molProtons/Electrons: 39Neutrons...