Tellurium Element Properties

Tellurium

p51
Sb
Antimony
p52
Te
Tellurium
p53
I
Iodine
General
Name(Tellurium)
Symbol(Te)
Number(52)
Group Number(16)
Group(Non-Metal, Chalcogen)
Block(p)
Density(6.24 g/cm3)
Atomic Weight(127.60 g/mol)
Atomic Volume(20.5 cm3/mol)
Discover(1783)


States
State(Solid)
Melting Point(722.66 K)
Boiling Point(1261 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(17.49 kJ/mol)
Heat of Vaporization(114.1 kJ/mol)


Energies
First Ionization Energy(869.2 kJ/mole)
Second Ionization Energy(1794.6 kJ/mole)
Third Ionization Energy(2697.7 kJ/mole)
Electronegativity(2.1)
Electron Affinity(190.16 kJ/mole)
Specific Heat(0.20 J/gK)
Heat Atomization(197 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,18,6)
Electron Configuration([Kr] 4d10 5s2 5p4)
Minimum Oxidation Number(-2)
Maximum Oxidation Number(6)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(6)


Appearance and Characteristics
Crystal Structure(hexagonal)
Characteristics(semimetal)
Color(silvery)
Uses(semiconductors, steel)
Hardness(2.3 mohs)
Toxicity(Yes)


Reactions
Reaction with Air(mild, w/ht, =>TeO2)
Reaction with 6M HCl(None)
Reaction with 15M HNO3(mild, =>Te(IV))
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(8)
Hydride(H2Te)
Oxide(TeO2 TeO3)
Chloride(Te2Cl Te3Cl2 Te4Cl16)


Radius
Atomic Radius(142 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(207 pm)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(11.54 J/m-sec-deg)
Electrical Conductivity(0 1/mohm-cm)
Polarizability(5.5 A3)


Abundance
Source(Zn/Pb smelting by-product)
Relation Abundance Solar System(0.682 log)
Abundance Earths Crust(-3 log)


p51
Sb
Antimony
p52
Te
Tellurium
p53
I
Iodine

english Calculators and Converters

Ask a Question


Sitemap