ପୋଟାସିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Potassium,  19K
Potassium-2.jpg
Potassium Spectrum.jpg
Potassium pearls under paraffin oil. The large pearl measures 0.5 cm. Below: spectral lines of potassium
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ potassium, K
Appearance silvery gray
ଉଚ୍ଚାରଣ /pɵˈtæsiəm/ po-tas-ee-əm
Potassium 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)
Na

K

Rb
argonpotassiumcalcium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 19
ଶ୍ରେଣୀ, ବ୍ଳକ group 1 (alkali metals), s-block
ପର୍ଯ୍ୟାୟ period 4
ମୌଳିକ ପ୍ରକାର   alkali metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) 39.0983(1)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Ar] 4s1
per shell
2, 8, 8, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 336.53 K ​(63.38 °C, ​146.08 °F)
ସ୍ଫୁଟନାଙ୍କ 1032 K ​(759 °C, ​1398 °F)
Density near r.t. 0.862 g/cm3
when liquid, at m.p. 0.828 g/cm3
Triple point 336.35 K, ​ kPa
Heat of fusion 2.33 kJ/mol
Heat of 76.9 kJ/mol
Molar heat capacity 29.6 J/(mol·K)
Atomic properties
Oxidation states 1 ​strongly basic oxide
Electronegativity Pauling scale: 0.82
energies
(more)
Atomic radius empirical: 227 pm
Covalent radius 203±12 pm
Van der Waals radius 275 pm
Miscellanea
Crystal structure body-centered cubic (bcc)
Body-centered cubic crystal structure for potassium
Speed of sound thin rod 2000 m/s (at 20 °C)
Thermal expansion 83.3 µm/(m·K) (at 25 °C)
Thermal conductivity 102.5 W/(m·K)
Electrical resistivity 72 n Ω·m (at 20 °C)
Magnetic ordering paramagnetic
Young's modulus 3.53 GPa
Shear modulus 1.3 GPa
Bulk modulus 3.1 GPa
Mohs hardness 0.4
Brinell hardness 0.363 MPa
CAS Number 7440-09-7
ଇତିହାସ
ଆବିଷ୍କାର Humphry Davy (1807)
First isolation Humphry Davy (1807)
Most stable isotopes of potassium
iso NA half-life DM DE (MeV) DP
39K 93.26% 39K is stable with 20 neutrons
40K 0.012% 1.248(3)×109 y β 1.311 40Ca
ε 1.505 40Ar
β+ 1.505 40Ar
41K 6.73% 41K is stable with 22 neutrons
| references

ପୋଟାସିଅମ (ଇଂରାଜୀ: Potassium) ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Kପରମାଣୁ କ୍ରମାଙ୍କ ୧୯ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରାସାୟନିକ[ସମ୍ପାଦନା]

ଯୌଗିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଇତିହାସ[ସମ୍ପାଦନା]

ବ୍ୟବସାୟିକ ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଟୀକା[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  • Burkhardt, Elizabeth R. et al. (2006). "Potassium and Potassium Alloys". Ullmann's Encyclopedia of Industrial Chemistry A22. pp. 31–38. doi:10.1002/14356007.a22_031.pub2. ISBN 3-527-30673-0. 
  • Greenwood, Norman N; Earnshaw, Alan (1997). Chemistry of the Elements (2 ed.). Oxford: Butterworth-Heinemann. ISBN 0-08-037941-9. 
  • Holleman, Arnold F.; Wiberg, Egon; Wiberg, Nils (1985). "Potassium". Lehrbuch der Anorganischen Chemie (in German) (91–100 ed.). Walter de Gruyter. ISBN 3-11-007511-3. 
  • Schultz, H. et al. (2006). "Potassium compounds". Ullmann's Encyclopedia of Industrial Chemistry A22. pp. 39–103. doi:10.1002/14356007.a22_031.pub2. ISBN 3-527-30673-0. 

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