ପ୍ରୋମେଥିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Promethium,  61Pm
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ promethium, Pm
Appearance metallic
ଉଚ୍ଚାରଣ /prɵˈmθiəm/
pro-mee-thee-əm
Promethium 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)
-

Pm

Np
neodymiumpromethiumsamarium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 61
ଶ୍ରେଣୀ, ବ୍ଳକ group n/a, f-block
ପର୍ଯ୍ୟାୟ period 6
ମୌଳିକ ପ୍ରକାର   lanthanide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) [145]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Xe] 6s2 4f5
per shell
2, 8, 18, 23, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 1315 K ​(1042 °C, ​1908 °F)
ସ୍ଫୁଟନାଙ୍କ 3273 K ​(3000 °C, ​5432 °F)
Density near r.t. 7.26 g/cm3
Heat of fusion 7.13 kJ/mol
Heat of 289 kJ/mol
Atomic properties
Oxidation states 3 (mildly basic oxide)
Electronegativity Pauling scale: ? 1.13
Atomic radius empirical: 183 pm
Covalent radius 199 pm
Miscellanea
Crystal structure hexagonal
Hexagonal crystal structure for promethium
Thermal expansion (r.t.) (α, poly)
est. 11 µm/(m·K)
Thermal conductivity 17.9 W/(m·K)
Electrical resistivity (r.t.) est. 0.75 µ Ω·m
Magnetic ordering paramagnetic[୧]
Young's modulus (α form) est. 46 GPa
Shear modulus (α form) est. 18 GPa
Bulk modulus (α form) est. 33 GPa
Poisson ratio (α form) est. 0.28
CAS Number 7440-12-2
ଇତିହାସ
ଆବିଷ୍କାର Chien Shiung Wu, Emilio Segrè, Hans Bethe (1942)
First isolation Charles D. Coryell, Jacob A. Marinsky, Lawrence E. Glendenin, Harold G. Richter (1945)
Named by Grace Mary Coryell (1945)
Most stable isotopes of promethium
iso NA half-life DM DE (MeV) DP
145Pm syn 17.7 y ε 0.163 145Nd
146Pm syn 5.53 y ε 1.472 146Nd
β 1.542 146Sm
147Pm trace 2.6234 y β 0.224 147Sm
| references

ପ୍ରୋମେଥିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Pmପରମାଣୁ କ୍ରମାଙ୍କ ୬୧ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରସାୟନିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆହୁରି ଦେଖନ୍ତୁ[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]

ବାହାର ଲିଙ୍କ[ସମ୍ପାଦନା]