ରୋଡ଼ିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
(Rhodium ରୁ ଲେଉଟି ଆସିଛି)
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Rhodium,  45Rh
Rhodium powder pressed melted.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକrhodium, Rh
Appearancesilvery white metallic
ଉଚ୍ଚାରଣ /ˈrdiəm/ ROH-dee-əm
Rhodium in the periodic table
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)
Co

Rh

Ir
rutheniumrhodiumpalladium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)45
ଶ୍ରେଣୀ, ବ୍ଳକgroup 9, d-block
ପର୍ଯ୍ୟାୟperiod 5
ମୌଳିକ ପ୍ରକାର  transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)102.90550
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Kr] 5s1 4d8
per shell
2, 8, 18, 16, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ2237 K ​(1964 °C, ​3567 °F)
ସ୍ଫୁଟନାଙ୍କ3968 K ​(3695 °C, ​6683 °F)
Density near r.t.12.41 g/cm3
when liquid, at m.p.10.7 g/cm3
Heat of fusion26.59 kJ/mol
Heat of 494 kJ/mol
Molar heat capacity24.98 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 2288 2496 2749 3063 3405 3997
Atomic properties
Oxidation states6, 5, 4, 3, 2, 1[୧], -1
(amphoteric oxide)
ElectronegativityPauling scale: 2.28
Atomic radiusempirical: 134 pm
Covalent radius142±7 pm
Miscellanea
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for rhodium
Speed of sound thin rod4700 m/s (at 20 °C)
Thermal expansion8.2 µm/(m·K) (at 25 °C)
Thermal conductivity150 W/(m·K)
Electrical resistivity43.3 n Ω·m (at 0 °C)
Magnetic orderingparamagnetic[୨]
Young's modulus380 GPa
Shear modulus150 GPa
Bulk modulus275 GPa
Poisson ratio0.26
Mohs hardness6.0
Vickers hardness1246 MPa
Brinell hardness1100 MPa
CAS Number7440-16-6
ଇତିହାସ
ଆବିଷ୍କାରWilliam Hyde Wollaston (1804)
First isolationWilliam Hyde Wollaston (1804)
Most stable isotopes of rhodium
iso NA half-life DM DE (MeV) DP
99Rh syn 16.1 d ε - 99Ru
γ 0.089, 0.353,
0.528
-
101mRh syn 4.34 d ε - 101Ru
IT 0.157 101Rh
γ 0.306, 0.545 -
101Rh syn 3.3 y ε - 101Ru
γ 0.127, 0.198,
0.325
-
102mRh syn 2.9 y ε - 102Ru
γ 0.475, 0.631,
0.697, 1.046
-
102Rh syn 207 d ε - 102Ru
β+ 0.826, 1.301 102Ru
β 1.151 102Pd
γ 0.475, 0.628 -
103Rh 100% 103Rh is stable with 58 neutrons
105Rh syn 35.36 h β 0.247, 0.260,
0.566
105Pd
γ 0.306, 0.318 -
| references

ରୋଡ଼ିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Rhପରମାଣୁ କ୍ରମାଙ୍କ ୪୫ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. "Rhodium: rhodium(I) fluoride compound data". OpenMOPAC.net. Retrieved 2007-12-10.
  2. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]