39
88.91
Y
Yttrium
Identification
CAS Number: 7440-65-5
Discovery Year: 1789
Discoverer: Johann Gadolin
Discovery Location: Finland
Properties
Atomic Dimensions
Atomic Radius: 180 pm →
Atomic Radius (Rahm): 274 pm
Covalent Radius: 190 pm →Van der Waals Radius: 231.99999999999997 pm
Metallic Radius: 162 pm
Atomic Volume: 19.8 cm³/mol
Lattice Constant: 3.65 Å
Thermodynamics
Electronic Structure
Electron Config: [Kr] 4d 5s2
Block: d
Period: 5 →Group: 3 →Electronegativity: 1.22 →Electron Affinity: 0.307 eV →Oxidation States: +3
Abundance & Geochemistry
Crust Abundance: 33 mg/kg
Sea Abundance: 0.000013000000000000001 mg/L
Geochemical Class: rare earth & related
Goldschmidt Class: litophile
About
Silvery-grey metallic element of group 3 on the periodic table. Found in uranium ores. The only natural isotope is Y-89, there are 14 other artificial isotopes. Chemically resembles the lanthanoids. Stable in the air below 400 degrees, celsius. Discovered in 1828 by Friedrich Wohler.
Isotopes
Y-89 89 100.00%
