Yttrium Element Properties

Yttrium

s38
Sr
Strontium
d39
Y
Yttrium
d40
Zr
Zirconium
General
Name(Yttrium)
Symbol(Y)
Number(39)
Group Number(3)
Group(Transition metals)
Block(d)
Density(4.47 g/cm3)
Atomic Weight(88.9059 g/mol)
Atomic Volume(19.8 cm3/mol)
Discover(1794)


States
State(Solid)
Melting Point(1799 K)
Boiling Point(3609 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(11.42 kJ/mol)
Heat of Vaporization(365 kJ/mol)


Energies
First Ionization Energy(615.6 kJ/mole)
Second Ionization Energy(1181 kJ/mole)
Third Ionization Energy(1979.9)
Electronegativity(1.22)
Electron Affinity(29.6 kJ/mole)
Specific Heat(0.30 J/gK)
Heat Atomization(423 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,9,2)
Electron Configuration([Kr] 4d1 5s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(3)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(3)


Appearance and Characteristics
Crystal Structure(hexagonal)
Characteristics(forms protective oxide)
Color(silvery)
Uses(YAG laser, TV phosphor)
Hardness(mohs)
Toxicity(None)


Reactions
Reaction with Air(vigorous, =>Y2O3)
Reaction with 6M HCl(mild, =>H2, YCl3)
Reaction with 15M HNO3(vigorous, =>Y(NO3)3)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(1)
Hydride(YH2 YH3)
Oxide(Y2O3)
Chloride(YCl3)


Radius
Atomic Radius(180 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(104 pm)


Conductivity
Thermal Conductivity(17.2 J/m-sec-deg)
Electrical Conductivity(16.9 1/mohm-cm)
Polarizability(22.7 A3)


Abundance
Source(xenotime (phosphate))
Relation Abundance Solar System(0.667 log)
Abundance Earths Crust(1.51 log)


s38
Sr
Strontium
d39
Y
Yttrium
d40
Zr
Zirconium

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