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{{Infobox element |number=45 |symbol=Rh |name=rhodium |abundance= |abundance in earth's crust= |abundance in oceans= |abundance in solar system= |left=[[ruthenium]] |right=[[palladium]] |above=[[cobalt|Co]] |below=[[iridium|Ir]] |category=transition metal |group=9 |period=5 |block=d |image name=Rhodium powder pressed melted.jpg |appearance=silvery white metallic |electron configuration=[[[krypton|Kr]]] 4d<sup>8</sup> 5s<sup>1</sup> |electrons per shell=2, 8, 18, 16, 1 |phase=solid |density gpcm3nrt=12.41 |density gpcm3mp=10.7 |melting point K=2237 |melting point C=1964 |melting point F=3567 |boiling point K=3968 |boiling point C=3695 |boiling point F=6683 |heat fusion=26.59 |heat vaporization=493 |heat capacity=24.98 |vapor pressure 1=2288 |vapor pressure 10=2496 |vapor pressure 100=2749 |vapor pressure 1 k=3063 |vapor pressure 10 k=3405 |vapor pressure 100 k=3997 |vapor pressure comment= |crystal structure=face-centered cubic |oxidation states=6, 5, 4, '''3''', 2, 1,<ref>{{cite web|url=http://openmopac.net/data_normal/rhfr_jmol.html|title=Rhodium: rhodium(I) fluoride compound data|accessdate=2007-12-10|publisher=OpenMOPAC.net}}</ref> β1, β3 |oxidation states comment=(an [[amphoterism|amphoteric]] oxide) |electronegativity=2.28 |number of ionization energies=3 |ionization energy 1=719.7 |ionization energy 2=1740 |ionization energy 3=2997 |atomic radius=134 |covalent radius=142Β±7 |magnetic ordering=[[paramagnetic]] |magnetic ordering ref=<ref>{{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }} </ref> |electrical resistivity unit prefix=n |electrical resistivity at 0=43.3 |thermal conductivity=150 |thermal expansion at 25=8.2 |speed of sound rod at 20=4700 |magnetic susceptibility= +111.0Β·10<sup>β6</sup> |magnetic susceptibility ref=  (298 K)<ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110|quote=|via=}}</ref> |Young's modulus=380 |Shear modulus=150 |Bulk modulus=275 |Poisson ratio=0.26 |Mohs hardness=6.0 |Vickers hardness=1100β8000 |Brinell hardness=980β1350 |CAS number=7440-16-6 |isotopes= {{infobox element/isotopes_decay2 | mn=99 | sym=Rh |na=[[synthetic radioisotope|syn]] | hl=16.1 d |dm1=[[electron capture|Ξ΅]] | de1=β | link1=ruthenium-99 | pn1=99 | ps1=Ru |dm2=[[gamma ray|Ξ³]] | de2=0.089, 0.353,<br/>0.528 | pn2= | ps2=β}} {{infobox element/isotopes_decay3 | mn=101[[nuclear isomer|m]] | sym=Rh |na=syn | hl=4.34 d |dm1=Ξ΅ | de1=β | link1=ruthenium-101 | pn1=101 | ps1=Ru |dm2=[[Internal conversion|IT]] | de2=0.157 | link2=rhodium-101 | pn2=101 | ps2=Rh |dm3=Ξ³ | de3=0.306, 0.545 | pn3= | ps3=β}} {{infobox element/isotopes_decay2 | mn=101 | sym=Rh |na=syn | hl=3.3 y |dm1=Ξ΅ | de1=β | pn1=101 | ps1=Ru |dm2=Ξ³ | de2=0.127, 0.198,<br/>0.325 | pn2= | ps2=β}} {{infobox element/isotopes_decay2 | mn=102m | sym=Rh |na=syn | hl=3.7 y |dm1=Ξ΅ | de1=β | link1=ruthenium-102 | pn1=102 | ps1=Ru |dm2=Ξ³ | de2=0.475, 0.631,<br/>0.697, 1.046 | pn2= | ps2=β}} {{infobox element/isotopes_decay4 | mn=102 | sym=Rh |na=syn | hl=207 d |dm1=Ξ΅ | de1=β | pn1=102 | ps1=Ru |dm2=[[positron emission|Ξ²<sup>+</sup>]] | de2=0.826, 1.301 | pn2=102 | ps2=Ru |dm3=[[beta decay|Ξ²<sup>β</sup>]] | de3=1.151 | link3=palladium-102 | pn3=102 | ps3=Pd |dm4=Ξ³ | de4=0.475, 0.628 | pn4= | ps4=β}} {{infobox element/isotopes_stable | mn=103 | sym=Rh | na=100% | n=58 |firstlinks=yes}} {{infobox element/isotopes_decay2 | mn=105 | sym=Rh |na=syn | hl=35.36 h |dm1=Ξ²<sup>β</sup> | de1=0.247, 0.260,<br/>0.566 | link1=palladium-105 | pn1=105 | ps1=Pd |dm2=Ξ³ | de2=0.306, 0.318 | pn2= | ps2=β}} |isotopes comment= |discovery and first isolation by=[[William Hyde Wollaston]] |discovery date=1804 |QID=Q1087 }}<!-- --><noinclude> {{Infobox element/element navigation|symbol=Rh}} {{Template reference list}} {{documentation|1=Template:Infobox element/doc}} </noinclude>
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