Rodyo

Ang rodyo (Iningles rhodium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Rh ug kaiphan nga atomik 45. Ang rodyo mao ang puthaw nga transisyon.

Rhodium
45Rh
Co

Rh

Ir
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Periodic table
rutheniumrhodiumpalladium
Panagway
silvery white metallic
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphanrhodium, Rh, 45
Paglitok/ˈrdiəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-dee-əm]]
Kategoriyang elementoputhaw nga transisyon
Group, period, block9, 5, d
Gibug-aton sa atomo102.90550
Kontorno sa elektron[Kr] 5s1 4d8
2, 8, 18, 16, 1
Electron shells of rhodium (2, 8, 18, 16, 1)
Electron shells of rhodium (2, 8, 18, 16, 1)
History
PagkadiskobreWilliam Hyde Wollaston (1804)
First isolationWilliam Hyde Wollaston (1804)
Physical properties
Phasemagahi
Density (near r.t.)12.41 g·cm−3
Liquid density at m.p.10.7 g·cm−3
Melting point2237 K, 1964 °C, 3567 °F
Boiling point3968 K, 3695 °C, 6683 °F
Heat of fusion26.59 kJ·mol−1
Heat of vaporization494 kJ·mol−1
Molar heat capacity24.98 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)228824962749306334053997
Atomic properties
Oxidation states6, 5, 4, 3, 2, 1[1], -1
(amphoteric oxide)
Electronegativity2.28 (Pauling scale)
Ionization energies1st: 719.7 kJ·mol−1
2nd: 1740 kJ·mol−1
3rd: 2997 kJ·mol−1
Atomic radius134 pm
Covalent radius142±7 pm
Miscellanea
Crystal structureface-centered cubic
Rhodium has a face-centered cubic crystal structure
Magnetic orderingparamagnetic[2]
Electrical resistivity(0 °C) 43.3 nΩ·m
Thermal conductivity150 W·m−1·K−1
Thermal expansion(25 °C) 8.2 µm·m−1·K−1
Speed of sound (thin rod)(20 °C) 4700 m·s−1
Young's modulus380 GPa
Shear modulus150 GPa
Bulk modulus275 GPa
Poisson ratio0.26
Mohs hardness6.0
Vickers hardness1246 MPa
Brinell hardness1100 MPa
CAS registry number7440-16-6
Most stable isotopes
Main article: Isotopes of rhodium
isoNAhalf-lifeDMDE (MeV)DP

Plantilya:Infobox element/isotopes decay2Plantilya:Infobox element/isotopes decay3Plantilya:Infobox element/isotopes decay2Plantilya:Infobox element/isotopes decay2Plantilya:Infobox element/isotopes decay4Plantilya:Infobox element/isotopes stablePlantilya:Infobox element/isotopes decay2

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