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Rubidium,  37Rb
Rb5.JPG
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକrubidium, Rb
Appearancegrey white
ଉଚ୍ଚାରଣ /rʊˈbɪdiəm/ roo-BID-ee-əm
Rubidium 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)
K

Rb

Cs
kryptonrubidiumstrontium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)37
ଶ୍ରେଣୀ, ବ୍ଳକgroup 1 (alkali metals), s-block
ପର୍ଯ୍ୟାୟperiod 5
ମୌଳିକ ପ୍ରକାର  alkali metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)85.4678(3)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Kr] 5s1
per shell
2, 8, 18, 8, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ312.46 K ​(39.31 °C, ​102.76 °F)
ସ୍ଫୁଟନାଙ୍କ961 K ​(688 °C, ​1270 °F)
Density near r.t.1.532 g/cm3
when liquid, at m.p.1.46 g/cm3
Critical point(extrapolated) 2093 K, 16 MPa
Heat of fusion2.19 kJ/mol
Heat of 75.77 kJ/mol
Molar heat capacity31.060 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 434 486 552 641 769 958
Atomic properties
Oxidation states1
(strongly basic oxide)
ElectronegativityPauling scale: 0.82
Atomic radiusempirical: 248 pm
Covalent radius220±9 pm
Van der Waals radius303 pm
Miscellanea
Crystal structurebody-centered cubic (bcc)
Body-centered cubic crystal structure for rubidium
Speed of sound thin rod1300 m/s (at 20 °C)
Thermal conductivity58.2 W/(m·K)
Electrical resistivity128 n Ω·m (at 20 °C)
Magnetic orderingparamagnetic[୧]
Young's modulus2.4 GPa
Bulk modulus2.5 GPa
Mohs hardness0.3
Brinell hardness0.216 MPa
CAS Number7440-17-7
ଇତିହାସ
ଆବିଷ୍କାରRobert Bunsen and Gustav Kirchhoff (1861)
First isolationGeorge de Hevesy
Most stable isotopes of rubidium
iso NA half-life DM DE (MeV) DP
83Rb syn 86.2 d ε - 83Kr
γ 0.52, 0.53,
0.55
-
84Rb syn 32.9 d ε - 84Kr
β+ 1.66, 0.78 84Kr
γ 0.881 -
β 0.892 84Sr
85Rb 72.168% 85Rb is stable with 48 neutrons
86Rb syn 18.65 d β 1.775 86Sr
γ 1.0767 -
87Rb 27.835% 4.88 × 10୧୦ y β 0.283 87Sr
| references

ରୁବିଡ଼ିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Rbପରମାଣୁ କ୍ରମାଙ୍କ ୩୭ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.

ଆହୁରି ପଢନ୍ତୁ[ସମ୍ପାଦନା]

  • Meites, Louis (1963). Handbook of Analytical Chemistry (New York: McGraw-Hill Book Company, 1963)
  • Steck, Daniel A. "Rubidium-87 D Line Data" (PDF). Los Alamos National Laboratory (technical report LA-UR-03-8638).

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]