Fire at 00:57, 22 April 2024

2024-04-22T00:57:11Z

← Older revision		Revision as of 09:57, 22 April 2024
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	\|discovery and first isolation by=[[Humphry Davy]]		\|discovery and first isolation by=[[Humphry Davy]]
	\|discovery date=1807		\|discovery date=1807
	\|QID=~~Q703~~		\|QID=Q4343
	}}<!--		}}<!--

Fire: Created page with "{{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=Na |below=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 g/cm³ |density conditions=(at 20..."

2024-04-22T00:53:16Z

Created page with "{{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=Na |below=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 g/cm<sup>3</sup> |density conditions=(at 20..."

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{{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 g/cm<sup>3</sup> 
|density conditions=(at 20° C)
|density gpcm3nrt=
|density gpcm3nrt ref=
|density gpcm3nrt 2=
|density gpcm3mp=0.82948
|density gpcm3mp ref=
|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=
|triple point K=
|triple point kPa=
|critical point K=2223
|critical point MPa=16
|critical point 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'' = 532.69 pm (at 20 °C)
|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=
|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=
|thermal expansion comment={{val|77.37|e=−6}}/K (at 20 °C)
|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=  (298 K)
|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
|discovery and first isolation by=[[Humphry Davy]]
|discovery date=1807
|QID=Q703
}}<noinclude>
{{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}})
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

Template:Infobox potassium - Revision history

Fire at 00:57, 22 April 2024