View source for Template:Infobox potassium

{{Infobox element
|name   =potassium
|symbol =K
|Z      =19
|number =19
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[argon]]
|right=[[calcium]]
|above=[[sodium|Na]]
|below=[[rubidium|Rb]]
|appearance=silvery white, faint bluish-purple hue when exposed to air
|image name=Potassium-2.jpg
|electrons per shell=2, 8, 8, 1
|phase=
|phase comment=
|density=0.8590&nbsp;g/cm<sup>3</sup>&thinsp;<ref name="Arblaster 2018" />
|density conditions=(at&nbsp;20°&nbsp;C)
|density gpcm3nrt=
|density gpcm3nrt ref=
|density gpcm3nrt 2=
|density gpcm3mp=0.82948
|density gpcm3mp ref=<ref name="aitK" />
|melting point K=336.7
|melting point C=63.5
|melting point F=146.3
|boiling point K=1030.793
|boiling point C=757.643
|boiling point F=1395.757
|boiling point ref=<ref name="aitK">{{cite journal |last1=Aitken |first1=F. |last2=Volino |first2=F. |title=New equations of state describing both the dynamic viscosity and self-diffusion coefficient for potassium and thallium in their fluid phases |journal=Physics of Fluids |date=January 2022 |volume=34 |issue=1 |pages=017112 |doi=10.1063/5.0079944}}</ref>
|triple point K=
|triple point kPa=
|critical point K=2223
|critical point MPa=16
|critical point ref=<ref>{{RubberBible92nd|page=4.122}}</ref>
|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
|crystal structure Pearson symbol=cI2
|lattice constant=''a''&nbsp;=&nbsp;532.69&nbsp;pm (at&nbsp;20&nbsp;°C)<ref name="Arblaster 2018">{{cite book | last=Arblaster | first= John W. | title=Selected Values of the Crystallographic Properties of Elements | publisher=ASM International | publication-place=Materials Park, Ohio | date=2018 | isbn=978-1-62708-155-9}}</ref>
|electronegativity=0.82
|number of ionization energies=4
|ionization energy 1=418.8
|ionization energy 2=3052
|ionization energy 3=4420
|atomic radius=227
|atomic radius calculated=
|covalent radius=203±12
|Van der Waals radius=275
|magnetic ordering=paramagnetic
|magnetic ordering ref=<ref>[http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf Magnetic susceptibility of the elements and inorganic compounds], in {{RubberBible86th}}</ref>
|electrical resistivity=
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=72
|thermal conductivity=102.5
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=<!-- see thermal expansion comment -->
|thermal expansion comment={{val|77.37|e=−6}}/K (at&nbsp;20&nbsp;°C)<ref name="Arblaster 2018" />
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=2000
|speed of sound rod at r.t.=
|magnetic susceptibility= {{val|+20.8|e=−6}}
|magnetic susceptibility ref= &#x20;(298&nbsp;K)<ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}</ref>
|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
|naming=after [[potash]], from which it was first isolated
|discovery and first isolation by=[[Humphry Davy]]
|discovery date=1807
|QID=Q703
}}<!--

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{{Infobox element/element navigation|symbol=K}}
{{Template reference list}}
One of these is a [[WP:REFNAME|named reference]]. It may be cited in the containing article as
*<nowiki><ref name="CIAAW2013" /></nowiki> for the source ''Atomic weights of the elements 2013'' (from subtemplates used by {{tl|Infobox element}})
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[[Category:Templates that generate named references]]
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