Zinc Element Properties

Zinc

d29
Cu
Copper
d30
Zn
Zinc
p31
Ga
Gallium
General
Name(Zinc)
Symbol(Zn)
Number(30)
Group Number(12)
Group(Transition metals)
Block(d)
Density(7.14 g/cm3)
Atomic Weight(65.38 g/mol)
Atomic Volume(9.2 cm3/mol)
Discover(1600)


States
State(Solid)
Melting Point(692.68 K)
Boiling Point(1180 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(7.32 kJ/mol)
Heat of Vaporization(123.6 kJ/mol)


Energies
First Ionization Energy(906.4 kJ/mole)
Second Ionization Energy(1733.2 kJ/mole)
Third Ionization Energy(3832.6 kJ/mole)
Electronegativity(1.65)
Electron Affinity(Nil)
Specific Heat(0.39 J/gK)
Heat Atomization(131 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,2)
Electron Configuration([Ar] 3d10 4s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(2)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(2)


Appearance and Characteristics
Crystal Structure(hexagonal)
Characteristics(brittle)
Color(silvery)
Uses(batteries, galvanizing)
Hardness(2.5 mohs)
Toxicity(None)


Reactions
Reaction with Air(vigorous, =>ZnO)
Reaction with 6M HCl(mild, =>H2, ZnCl2)
Reaction with 15M HNO3(vigorous, =>Zn(NO3)2, NOx)
Reaction with 6M NaOH(mild, =>[Zn(OH)4](2-), H2)


Other Forms
Number of Isotopes(5)
Hydride(ZnH2)
Oxide(ZnO)
Chloride(ZnCl2)


Radius
Atomic Radius(134 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(88 pm)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(116 J/m-sec-deg)
Electrical Conductivity(169.033 1/mohm-cm)
Polarizability(6.4 A3)


Abundance
Source(Sphalerite (sulfide))
Relation Abundance Solar System(3.100 log)
Abundance Earths Crust(1.79 log)


d29
Cu
Copper
d30
Zn
Zinc
p31
Ga
Gallium

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