Zirconium Element Properties

Zirconium

d39
Y
Yttrium
d40
Zr
Zirconium
d41
Nb
Niobium
General
Name(Zirconium)
Symbol(Zr)
Number(40)
Group Number(4)
Group(Transition metals)
Block(d)
Density(6.4 g/cm3)
Atomic Weight(91.22 g/mol)
Atomic Volume(14.1 cm3/mol)
Discover(1789)


States
State(Solid)
Melting Point(2128 K)
Boiling Point(4682 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(14 kJ/mol)
Heat of Vaporization(573 kJ/mol)


Energies
First Ionization Energy(660 kJ/mole)
Second Ionization Energy(1266.8 kJ/mole)
Third Ionization Energy(2218.2 kJ/mole)
Electronegativity(1.33)
Electron Affinity(41.1 kJ/mole)
Specific Heat(0.27 J/gK)
Heat Atomization(609 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,10,2)
Electron Configuration([Kr] 4d2 5s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(4)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(4)


Appearance and Characteristics
Crystal Structure(hexagonal close-packed)
Characteristics(hard, relatively inert)
Color(grayish-white)
Uses(deodorants, fuel rod clad)
Hardness(mohs)
Toxicity(None)


Reactions
Reaction with Air(mild, w/ht =>Zr2O3)
Reaction with 6M HCl(None)
Reaction with 15M HNO3(passivated)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(5)
Hydride(ZrH2)
Oxide(ZrO2)
Chloride(ZrCl3 ZrCl4)


Radius
Atomic Radius(160 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)(Nil)


Conductivity
Thermal Conductivity(22.7 J/m-sec-deg)
Electrical Conductivity(25 1/mohm-cm)
Polarizability(17.9 A3)


Abundance
Source(Zircon (silicate))
Relation Abundance Solar System(1.057 log)
Abundance Earths Crust(2.24 log)


d39
Y
Yttrium
d40
Zr
Zirconium
d41
Nb
Niobium

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