|
|
| (9 सदस्यों द्वारा किए गए बीच के 54 अवतरण नहीं दर्शाए गए) |
| पंक्ति 1: |
पंक्ति 1: |
| ==पोटेशियम==
| | <gallery> |
| {{Elementbox
| | चित्र:Fountain-Pen.jpg |
| |name=पोटेशियम
| | चित्र:Fountain-Pen-1.jpg |
| |pronounce=
| | चित्र:Fountain-Pen-2.jpg |
| |number=19
| | चित्र:Fountain-Pen-3.jpg |
| |symbol=K
| | चित्र:Bricks.jpg |
| |left=[[ऑर्गन]]
| | </gallery> |
| |right=[[कैल्सियम]]
| |
| |above=[[सोडियम|Na]]
| |
| |below=[[रुबिडियम|Rb]]
| |
| |series=क्षार धातु
| |
| |series comment=
| |
| |group=1
| |
| |period=4
| |
| |block=s
| |
| |series color=
| |
| |phase color=
| |
| |appearance=
| |
| |image name=
| |
| |image size=
| |
| |image name comment=
| |
| |image name 2=
| |
| |image name 2 comment=
| |
| |atomic mass=39.0983
| |
| |atomic mass 2=1
| |
| |atomic mass comment=
| |
| |electron configuration=1s<sup>2</sup>, 2s<sup>2</sup> 2p<sup>6</sup>, 3s<sup>2</sup> 3p<sup>6</sup>,4s<sup>1</sup>
| |
| |electrons per shell=2, 8, 8, 1
| |
| |color=
| |
| |phase=ठोस
| |
| |phase comment=
| |
| |density gplstp=
| |
| |density gpcm3nrt=0.862
| |
| |density gpcm3nrt 2=
| |
| |density gpcm3mp=0.828
| |
| |melting point K=336.53
| |
| |melting point C=63.38
| |
| |melting point F=146.08
| |
| |boiling point K=1032
| |
| |boiling point C=759
| |
| |boiling point F=1398
| |
| |triple point K=336.35
| |
| |triple point kPa=
| |
| |critical point K=
| |
| |critical point MPa=
| |
| |heat fusion=2.33
| |
| |heat fusion 2=
| |
| |heat vaporization=76.9
| |
| |heat capacity=29.6
| |
| |vapor pressure 1=
| |
| |vapor pressure 10=
| |
| |vapor pressure 100=
| |
| |vapor pressure 1 k=
| |
| |vapor pressure 10 k=
| |
| |vapor pressure 100 k=
| |
| |vapor pressure comment=
| |
| |crystal structure=
| |
| |oxidation states=1
| |
| |oxidation states comment=
| |
| |electronegativity=0.82
| |
| |number of ionization energies=4
| |
| |1st ionization energy=418.8
| |
| |2nd ionization energy=3052
| |
| |3rd ionization energy=4420
| |
| |atomic radius=227
| |
| |atomic radius calculated=
| |
| |covalent radius=203±12
| |
| |Van der Waals radius=275
| |
| |magnetic ordering=paramagnetic
| |
| |electrical resistivity=
| |
| |electrical resistivity at 0=
| |
| |electrical resistivity at 20=72 n
| |
| |thermal conductivity=102.5
| |
| |thermal conductivity 2=
| |
| |thermal diffusivity=
| |
| |thermal expansion=
| |
| |thermal expansion at 25=83.3
| |
| |speed of sound=
| |
| |speed of sound rod at 20=2000
| |
| |speed of sound rod at r.t.=
| |
| |Young's modulus=3.53
| |
| |Shear modulus=1.3
| |
| |Bulk modulus=3.1
| |
| |Poisson ratio=
| |
| |Mohs hardness=0.4
| |
| |Vickers hardness=
| |
| |Brinell hardness=0.363
| |
| |CAS number=7440-09-7
| |
| |isotopes=
| |
| {{Elementbox_isotopes_stable | mn=39 | sym=K | na=93.26% | n=20 }}
| |
| {{Elementbox_isotopes_decay3 | mn=40 | sym=K | na=0.012% | hl=1.248(3)×10<sup>9</sup> y |
| |
| dm1=β<sup>−</sup> | de1=1.311 | pn1=40 | ps1=[[कैल्सियम|Ca]] |
| |
| dm2=ε | de2=1.505 | pn2=40 | ps2=[[ऑर्गन|Ar]] |
| |
| dm3=β<sup>+</sup> | de3=1.505 | pn3=40 | ps3=[[ऑर्गन|Ar]] }}
| |
| {{Elementbox_isotopes_stable | mn=41 | sym=K | na=6.73% | n=22 }}
| |
| |isotopes comment=
| |
| }}
| |
| | |
| ==बाहरी कड़ियाँ==
| |
| *[http://agropedia.iitk.ac.in/?q=content/%E0%A4%AA%E0%A5%8B%E0%A4%9F%E0%A5%87%E0%A4%B6%E0%A4%BF%E0%A4%AF%E0%A4%AE-%E0%A4%97%E0%A4%A8%E0%A5%8D%E0%A4%A8%E0%A4%BE]
| |
| *[http://www.lifemojo.com/health-guides/health-tip/%E0%A4%89%E0%A4%9A%E0%A5%8D%E0%A4%9A-%E0%A4%B0%E0%A4%95%E0%A5%8D%E0%A4%A4%E0%A4%9A%E0%A4%BE%E0%A4%AA-%E0%A4%89%E0%A4%AA%E0%A4%BE%E0%A4%AF-%E0%A4%8F%E0%A4%95-%E0%A4%B8%E0%A4%82%E0%A4%A4%E0%A4%B0%E0%A5%87-%E0%A4%9C%E0%A5%88%E0%A4%B8%E0%A5%87-%E0%A4%89%E0%A4%9A%E0%A5%8D%E0%A4%9A-%E0%A4%AA%E0%A5%8B-5036540/hi]
| |
| *[http://www.news-medical.net/news/20100914/8/Hindi.aspx]
| |
| *[http://www.jkhealthworld.com/detail.php?id=8408]
| |
| *[http://healthy-india.org/Hindi/appetizing5.asp]
| |
| *[http://healthy-india.org/Hindi/appetizing.asp]
| |
