TELLURIUM, Te (52)

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Tellurium from Melanite
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TELLURIUM

Te (52)

tɛˈljʊəriəm

PHONETICS

Tellurium is a brittle, mildly toxic, rare, silver-white metalloid, chemically related to selenium and sulfur. It is occasionally found in native form, as elemental crystals.

ELEMENT BRIEF

1783 by Franz Joseph Muller von Reichstein, Romania.

DISCOVERY

Latin, 'tellus' meaning 'earth'.

ETYMOLOGY

Tellurium

ELEMENT

Te

SYMBOL

52

ATOMIC NUMBER

13494-80-9

CAS NUMBER
element

ELEMENTAL SPECTRUM


Silver

ELEMENTAL COLOUR


1.000'991

REFRACTIVE INDEX


-

POISSON RATIO


20.449 cm³

MOLAR VOLUME


180.00M Pa, 1.776'5k Atm

BRINELL HARDNESS


2.25

MOHS HARDNESS


-

VICKERS HARDNESS


2,610 m/s, Mach 7.609'3

SPEED OF SOUND


65.00G Pa, 641.500'1k Atm

BULK MODULUS


16.00G Pa, 157.907'7k Atm

SHEAR MODULUS


43.00G Pa, 424.377'0k Atm

YOUNG MODULUS


ALLOTROPES

element element element

722.66 K, 449.51 °C

MELTING POINT


1,261.15 K, 988.00 °C

BOILING POINT


613.15 K, 340.00 °C

AUTOMATIC IGNITION


-

FLASHPOINT


-

CRITICAL TEMPERATURE


-

CRITICAL PRESSURE


3.000'000 W/(m K)

THERMAL CONDUCTIVITY


0.000'011'0 K¯¹

THERMAL EXPANSION


17.500 kJ/mol

SPECIFIC HEAT


19.700 kJ/mol

HEAT FUSION


48.000 kJ/mol

HEAT VAPORISATION


-

HEAT COMBUSTION


-

CURIE POINT


-

NEEL POINT


-

ADIABATIC INDEX


Solid

PHASE

Conductor

ELECTRICAL TYPE


10.00k S/m

CONDUCTIVITY


100.00μ Ω.m

RESISTIVITY


-

SUPERCONDUCTING POINT


Diamagnetic

MAGNETIC TYPE


-0.000'000'003'9

MASS SUSCEPTIBILITY


-0.000'000'000'498'00

MOLAR SUSCEPTIBILITY


-0.000'024'300'00

VOLUME SUSCEPTIBILITY

Metalloid

CLASSIFICATION


127.603'127'8

ATOMIC WEIGHT


123 pm

ATOMIC RADIUS


136 pm

COVALENT RADIUS SINGLE BOND


128 pm

COVALENT RADIUS DOUBLE BOND


121 pm

COVALENT RADIUS TRIPLE BOND


206 pm

VAN DER WAALS RADIUS


[Kr]5s²4d¹⁰5p⁴

ELECTRON CONFIGURATION


Hexagonal, Primitive

CRYSTAL STRUCTURE


6.240'00 g/cm³

DENSITY AS SOLID


5.700'00 g/cm³

DENSITY AS LIQUID


-

DENSITY AS GAS


P3₁21

SPACE GROUP NAME


152

SPACE GROUP NUMBER


π/2, π/2 2π/3

LATTICE ANGLES


445.72, 445.72 592.9 pm

LATTICE CONSTANTS

6

VALENCE


2.1

ELECTRONEGATIVITY


190.17 kJ/mol

ELECTRON AFFINITY


IONISATION ENERGY

element element element element
element element element

0.000'000'3 %

UNIVERSE


0.000'21 %

METEORITES


-

SUN


0.000'000'103 %

EARTH CRUST


-

OCEANS


-

HUMANS

Stable

HALF LIFE


Stable

LIFETIME


5p⁴ = 5, 1, -1, -1/2

QUANTUM NUMBERS


4.320'00 b σs

NEUTRON CROSS SECTION


4.700'00 b σa

NEUTRON MASS ABSORPTION


STABLE ISOTOPES

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UNSTABLE ISOTOPES

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ISOTOPIC CHAIN

CENTRALDATACORE

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