Template:Infobox indium
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Indium | |||||||||||||||||||||
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Pronunciation | /ˈɪndiəm/ | ||||||||||||||||||||
Appearance | silvery lustrous gray | ||||||||||||||||||||
Standard atomic weight Ar, std(In) | Template:Val[1] | ||||||||||||||||||||
Indium in the periodic table | |||||||||||||||||||||
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Atomic number (Z) | 49 | ||||||||||||||||||||
Group | group 13 (boron group) | ||||||||||||||||||||
Period | period 5 | ||||||||||||||||||||
Block | p-block | ||||||||||||||||||||
Electron configuration | [Kr] 4d10 5s2 5p1 | ||||||||||||||||||||
Electrons per shell | 2, 8, 18, 18, 3 | ||||||||||||||||||||
Physical properties | |||||||||||||||||||||
Phase at STP | solid | ||||||||||||||||||||
Melting point | 429.7485 K (156.5985 °C, 313.8773 °F) | ||||||||||||||||||||
Boiling point | 2345 K (2072 °C, 3762 °F) | ||||||||||||||||||||
Density (near r.t.) | 7.31 g/cm3 | ||||||||||||||||||||
when liquid (at m.p.) | 7.02 g/cm3 | ||||||||||||||||||||
Triple point | 429.7445 K, ~1 kPa[2] | ||||||||||||||||||||
Heat of fusion | 3.281 kJ/mol | ||||||||||||||||||||
Heat of vaporization | 231.8 kJ/mol | ||||||||||||||||||||
Molar heat capacity | 26.74 J/(mol·K) | ||||||||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||||||||
Oxidation states | −5, −2, −1, +1, +2, +3[3] (an amphoteric oxide) | ||||||||||||||||||||
Electronegativity | Pauling scale: 1.78 | ||||||||||||||||||||
Ionization energies |
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Atomic radius | empirical: 167 pm | ||||||||||||||||||||
Covalent radius | 142±5 pm | ||||||||||||||||||||
Van der Waals radius | 193 pm | ||||||||||||||||||||
Spectral lines of indium | |||||||||||||||||||||
Other properties | |||||||||||||||||||||
Natural occurrence | primordial | ||||||||||||||||||||
Crystal structure | body-centered tetragonal | ||||||||||||||||||||
Speed of sound thin rod | 1215 m/s (at 20 °C) | ||||||||||||||||||||
Thermal expansion | 32.1 µm/(m·K) (at 25 °C) | ||||||||||||||||||||
Thermal conductivity | 81.8 W/(m·K) | ||||||||||||||||||||
Electrical resistivity | 83.7 nΩ·m (at 20 °C) | ||||||||||||||||||||
Magnetic ordering | diamagnetic[4] | ||||||||||||||||||||
Magnetic susceptibility | −64.0·10−6 cm3/mol (298 K)[5] | ||||||||||||||||||||
Young's modulus | 11 GPa | ||||||||||||||||||||
Mohs hardness | 1.2 | ||||||||||||||||||||
Brinell hardness | 8.8–10.0 MPa | ||||||||||||||||||||
CAS Number | 7440-74-6 | ||||||||||||||||||||
History | |||||||||||||||||||||
Discovery | Ferdinand Reich and Hieronymous Theodor Richter (1863) | ||||||||||||||||||||
First isolation | Hieronymous Theodor Richter (1864) | ||||||||||||||||||||
Main isotopes of indium | |||||||||||||||||||||
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[[Category:Infobox templates|Template:Remove first word]]
data m.p. cat | |||||
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in | calc from C | diff | report | ref | |
C | 156.5985 | — | — | ||
K | 429.7485 | 429.7485 | 0 | ||
F | 313.8773 | 313.8773 | 0 | Template:Subpage other | |
max precision | 4 | ||||
WD | Template:Wikidata Script error: No such module "EditAtWikidata". | Template:Wikidata | |||
input | C: 156.5985, K: 429.7485, F: 313.8773 | ||||
comment |
data b.p. cat | |||||
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in | calc from C | diff | report | ref | |
C | 2072 | — | — | ||
K | 2345 | 2345 | 0 | ||
F | 3762 | 3762 | 0 | Template:Subpage other | |
max precision | 0 | ||||
WD | Template:Wikidata Script error: No such module "EditAtWikidata". | Template:Wikidata | |||
input | C: 2072, K: 2345, F: 3762 | ||||
comment |
Cd ← |
→ Sn | |
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Data sets read by {{Infobox element}} | |
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Standard atomic weight | |
most stable isotope | |
Natural occurrence | |
Phase at STP | |
Oxidation states | |
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Electron configuration (cmt, ref) | |
Term symbol * (cmt, ref) | |
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* Not used in {{Infobox element}} (2019-02-03) See also {{Infobox element/symbol-to--navbox}} |
References
- ↑ Meija, Juris; 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.
- ↑ Mangum, B. W. (1989). "Determination of the Indium Freezing-point and Triple-point Temperatures". Metrologia. 26 (4): 211. Bibcode:1989Metro..26..211M. doi:10.1088/0026-1394/26/4/001.
- ↑ 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. PMID 11666477.
- ↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
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