YTTRIUM, Y (39)

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ATOMIC ARCHITECTURE

Spectrograph
Elemental Tile
Yttrium Fluorite
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YTTRIUM

Y (39)

ˈɪtriəm

PHONETICS

Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a “rare earth element”. Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element.

ELEMENT BRIEF

1794 by Johann Gadolin, Finland.

DISCOVERY

Named after the Village of 'Ytterby' near Vaxholm in Sweden.

ETYMOLOGY

Yttrium

ELEMENT

Y

SYMBOL

39

ATOMIC NUMBER

7440-65-5

CAS NUMBER
element

ELEMENTAL SPECTRUM


Silver

ELEMENTAL COLOUR


-

REFRACTIVE INDEX


0.240

POISSON RATIO


19.881 cm³

MOLAR VOLUME


589.00M Pa, 5.813'0k Atm

BRINELL HARDNESS


-

MOHS HARDNESS


-

VICKERS HARDNESS


3,300 m/s, Mach 9.621'0

SPEED OF SOUND


41.00G Pa, 404.638'5k Atm

BULK MODULUS


26.00G Pa, 256.600'0k Atm

SHEAR MODULUS


64.00G Pa, 631.630'9k Atm

YOUNG MODULUS


ALLOTROPES

element element

1,799.15 K, 1,526.00 °C

MELTING POINT


3,618.15 K, 3,345.00 °C

BOILING POINT


-

AUTOMATIC IGNITION


-

FLASHPOINT


-

CRITICAL TEMPERATURE


-

CRITICAL PRESSURE


17.000'000 W/(m K)

THERMAL CONDUCTIVITY


0.000'010'6 K¯¹

THERMAL EXPANSION


298.00 J/(kg K)

SPECIFIC HEAT


11.400 kJ/mol

HEAT FUSION


380.000 kJ/mol

HEAT VAPORISATION


-

HEAT COMBUSTION


-

CURIE POINT


-

NEEL POINT


-

ADIABATIC INDEX


Solid

PHASE

Conductor

ELECTRICAL TYPE


1.80M S/m

CONDUCTIVITY


560.00n Ω.m

RESISTIVITY


1.300 K

SUPERCONDUCTING POINT


-

MAGNETIC TYPE


0.000'000'066'6

MASS SUSCEPTIBILITY


0.000'000'005'921'00

MOLAR SUSCEPTIBILITY


0.000'297'800'00

VOLUME SUSCEPTIBILITY

Transition Metal

CLASSIFICATION


88.905'848'3

ATOMIC WEIGHT


212 pm

ATOMIC RADIUS


163 pm

COVALENT RADIUS SINGLE BOND


130 pm

COVALENT RADIUS DOUBLE BOND


124 pm

COVALENT RADIUS TRIPLE BOND


219 pm

VAN DER WAALS RADIUS


[Kr]5s²4d¹

ELECTRON CONFIGURATION


Hexagonal, Close Packed Single

CRYSTAL STRUCTURE


4.472'00 g/cm³

DENSITY AS SOLID


4.240'00 g/cm³

DENSITY AS LIQUID


-

DENSITY AS GAS


P6₃/mmc

SPACE GROUP NAME


194

SPACE GROUP NUMBER


π/2, π/2 2π/3

LATTICE ANGLES


364.74, 364.74 573.06 pm

LATTICE CONSTANTS

3

VALENCE


1.22

ELECTRONEGATIVITY


29.62 kJ/mol

ELECTRON AFFINITY


IONISATION ENERGY

element element element element
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0.000'000'7 %

UNIVERSE


0.000'19 %

METEORITES


0.000'001 %

SUN


0.002'9 %

EARTH CRUST


0.000'000'001'3 %

OCEANS


-

HUMANS

Stable

HALF LIFE


Stable

LIFETIME


4d¹ = 4, 2, -2, +1/2

QUANTUM NUMBERS


7.700'00 b σs

NEUTRON CROSS SECTION


1.280'00 b σa

NEUTRON MASS ABSORPTION


STABLE ISOTOPES

element

UNSTABLE ISOTOPES

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ISOTOPIC CHAIN

CENTRALDATACORE

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