TELLURIUM, Te (52)
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ATOMIC ARCHITECTURE
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
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
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
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
UNSTABLE ISOTOPES
ISOTOPIC CHAIN
CENTRALDATACORE
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