Indium

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Indium, 49In
Indium.jpg
Indium
Pípè /ˈɪndiəm/ (IN-dee-əm)
Ìhànsójúsilvery lustrous gray
Ìwúwo átọ̀mù Ar, std(In)114.818(1)[1]
Indium ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Ga

In

Tl
cadmiumindiumtin
Nọ́mbà átọ̀mù (Z)49
Ẹgbẹ́group 13 (boron group)
Àyèàyè 5
Àdìpọ̀Àdìpọ̀-p
Ẹ̀ka ẹ́límẹ́ntì  Post-transition metal
Ìtò ẹ̀lẹ́ktrọ́nù[Kr] 4d10 5s2 5p1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 18, 18, 3
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́429.7485 K ​(156.5985 °C, ​313.8773 °F)
Ígbà ìhó2345 K ​(2072 °C, ​3762 °F)
Kíki (near r.t.)7.31 g/cm3
when liquid (at m.p.)7.02 g/cm3
Heat of fusion3.281 kJ/mol
Heat of 231.8 kJ/mol
Molar heat capacity26.74 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1196 1325 1485 1690 1962 2340
Atomic properties
Oxidation states−5, −2, −1, +1, +2, +3[2] Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
ElectronegativityPauling scale: 1.78
Atomic radiusempirical: 167 pm
Covalent radius142±5 pm
Van der Waals radius193 pm
Color lines in a spectral range
Spectral lines of indium
Other properties
Natural occurrenceprimordial
Crystal structuretetragonal
Tetragonal crystal structure for indium
Speed of sound thin rod1215 m/s (at 20 °C)
Thermal expansion32.1 µm/(m·K) (at 25 °C)
Thermal conductivity81.8 W/(m·K)
Electrical resistivity83.7 n Ω·m (at 20 °C)
Magnetic orderingdiamagnetic[3]
Young's modulus11 GPa
Mohs hardness1.2
Brinell hardness8.83 MPa
CAS Number7440-74-6
Main isotopes of indium
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
113In 4.3% 113In is stable with 64 neutrons
115In 95.7% 4.41×1014 y β 0.495 115Sn
Àdàkọ:Category-inline
| references


Itokasi[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305. 
  2. Guloy, A. M.; Corbett, J. D. (1996). "Synthesis, Structure, and Bonding of Two Lanthanum Indium Germanides with Novel Structures and Properties". Inorganic Chemistry 35 (9): 2616–22. doi:10.1021/ic951378e. 
  3. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.