ଛାଞ୍ଚ:Infobox potassium ନିମନ୍ତେ ଆଧାର ଦେଖିବେ

{{Elementbox
|name=potassium
|pronounce={{IPAc-en|p|ɵ|ˈ|t|æ|s|i|ə|m}} {{respell|po|TAS|ee-əm}}
|number=19
|symbol=K
|left=[[argon]]
|right=[[calcium]]
|above=[[sodium|Na]]
|below=[[rubidium|Rb]]
|series=alkali metal
|series comment=
|group=1
|period=4
|block=s
|series color=
|phase color=
|appearance=silvery gray
|image name=Potassium-2.jpg
|image size=
|image name comment=
|image name 2=Potassium Spectrum.jpg
|image name 2 comment=Potassium pearls under paraffin oil. The large pearl measures 0.5 cm. Below: spectral lines of potassium
|atomic mass=39.0983
|atomic mass 2=1
|atomic mass comment=
|electron configuration=&#91;[[argon|Ar]]&#93; 4s<sup>1</sup>
|electrons per shell=2, 8, 8, 1
|color=
|phase=solid
|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=body-centered cubic
|oxidation states=1
|oxidation states comment=strongly [[base (chemistry)|basic]] oxide
|electronegativity=0.82
|number of ionization energies=4
|1st ionization energy=418.8
|2nd ionization energy=3052
|3rd ionization energy=4420
|atomic radius=[[1 E-10 m|227]]
|atomic radius calculated=
|covalent radius=[[1 E-10 m|203±12]]
|Van der Waals radius=[[1 E-10 m|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 E16 s|1.248(3)&times;10<sup>9</sup> y]] | 
dm1=[[beta decay|β<sup>−</sup>]] | de1=1.311 | pn1=40 | ps1=[[calcium|Ca]] | 
dm2=[[electron capture|ε]] | de2=1.505 | pn2=40 | ps2=[[argon|Ar]] |
dm3=[[positron emission|β<sup>+</sup>]] | de3=1.505 | pn3=40 | ps3=[[argon|Ar]] }}
{{Elementbox_isotopes_stable | mn=41 | sym=K | na=6.73% | n=22 }}
|isotopes comment=
|discovered by=[[Humphry Davy]]
|discovery date=1807
|first isolation by=Humphry Davy
|first isolation date=1807
}}<noinclude>
{{Template reference list}}
[[Category:Periodic table infobox templates|Potassium]]

</noinclude>