प्रयोग:फ़ौज़िया3: Difference between revisions
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{| | ==पोटेशियम== | ||
| | {{Elementbox | ||
| | |name=पोटेशियम | ||
|pronounce= | |||
|number=19 | |||
|symbol=K | |||
|left=[[ऑर्गन]] | |||
|right=[[कैल्सियम]] | |||
|above=[[सोडियम|Na]] | |||
| | |below=[[रुबिडियम|Rb]] | ||
| | |series=क्षार धातु | ||
| 4 | |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 | ||
| 1 | |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 | ||
| 1 | |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= | |||
}} | |||
Revision as of 19:19, 15 March 2011
पोटेशियम
- REDIRECTसाँचा:Infobox element