INDIUM, In (49)

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Indium
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INDIUM

In (49)

ˈɪndiəm

PHONETICS

Indium is a post-transition metallic element that is rare in Earth’s crust. The metal is very soft, malleable and easily fusible, with a melting point higher than sodium, but lower than lithium or tin. Chemically, indium is similar to gallium and thallium.

ELEMENT BRIEF

1863 by Ferdinand Reich and Hieronymus Theodor Richter, Germany.

DISCOVERY

German, Indigo ('indigo').

ETYMOLOGY

Indium

ELEMENT

In

SYMBOL

49

ATOMIC NUMBER

7440-74-6

CAS NUMBER
element

ELEMENTAL SPECTRUM


Silver

ELEMENTAL COLOUR


-

REFRACTIVE INDEX


-

POISSON RATIO


15.707 cm³

MOLAR VOLUME


8.83M Pa, 87.145'3 Atm

BRINELL HARDNESS


1.20

MOHS HARDNESS


-

VICKERS HARDNESS


1,215 m/s, Mach 3.542'3

SPEED OF SOUND


-

BULK MODULUS


-

SHEAR MODULUS


11.00G Pa, 108.561'6k Atm

YOUNG MODULUS


ALLOTROPES

NONE

429.75 K, 156.60 °C

MELTING POINT


2,345.15 K, 2,072.00 °C

BOILING POINT


-

AUTOMATIC IGNITION


-

FLASHPOINT


-

CRITICAL TEMPERATURE


-

CRITICAL PRESSURE


82.000'000 W/(m K)

THERMAL CONDUCTIVITY


0.000'032'1 K¯¹

THERMAL EXPANSION


233.00 J/(kg K)

SPECIFIC HEAT


230.000 kJ/mol

HEAT FUSION


-

HEAT VAPORISATION


-

HEAT COMBUSTION


-

CURIE POINT


-

NEEL POINT


-

ADIABATIC INDEX


Solid

PHASE

Conductor

ELECTRICAL TYPE


12.00M S/m

CONDUCTIVITY


80.00n Ω.m

RESISTIVITY


3.410 K

SUPERCONDUCTING POINT


Diamagnetic

MAGNETIC TYPE


-0.000'000'001'4

MASS SUSCEPTIBILITY


-0.000'000'000'161'00

MOLAR SUSCEPTIBILITY


-0.000'010'200'00

VOLUME SUSCEPTIBILITY

Transition Metal

CLASSIFICATION


114.818'086'2

ATOMIC WEIGHT


156 pm

ATOMIC RADIUS


142 pm

COVALENT RADIUS SINGLE BOND


136 pm

COVALENT RADIUS DOUBLE BOND


146 pm

COVALENT RADIUS TRIPLE BOND


193 pm

VAN DER WAALS RADIUS


[Kr]5s²4d¹⁰5p¹

ELECTRON CONFIGURATION


Tetragonal, Primitive

CRYSTAL STRUCTURE


7.310'00 g/cm³

DENSITY AS SOLID


7.020'00 g/cm³

DENSITY AS LIQUID


-

DENSITY AS GAS


I4/mmm

SPACE GROUP NAME


139

SPACE GROUP NUMBER


π/2, π/2 π/2

LATTICE ANGLES


325.23, 325.23 494.61 pm

LATTICE CONSTANTS

3

VALENCE


1.78

ELECTRONEGATIVITY


38.98 kJ/mol

ELECTRON AFFINITY


IONISATION ENERGY

element element element element

0.000'000'03 %

UNIVERSE


0.000'004'4 %

METEORITES


0.000'000'4 %

SUN


0.000'016 %

EARTH CRUST


0.000'000'000'03 %

OCEANS


-

HUMANS

Stable

HALF LIFE


Stable

LIFETIME


5p¹ = 5, 1, -1, +1/2

QUANTUM NUMBERS


2.620'00 b σs

NEUTRON CROSS SECTION


193.800'00 b σa

NEUTRON MASS ABSORPTION


STABLE ISOTOPES

element

UNSTABLE ISOTOPES

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ISOTOPIC CHAIN

CENTRALDATACORE

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