Potasioa

Potasioa (K)

19 zenbaki atomikoa duen elementu kimikoa
Atomic Number19
Atomic Weight39.0983
masa-zenbaki39
Group1
Period4
Blocks
protoi19 p+
neutroi20 n0
elektroi19 e-
Animated Bohrren eredu atomikoa of K (Potasioa)

Propietate Fisiko

Erradio Atomiko
220 pm
bolumen molar
Erradio Kobalente
196 pm
Metallic Radius
203 pm
Erradio ioniko
137 pm
Crystal Radius
151 pm
Van der Waalsen erradio
275 pm
dentsitatea
0,89 g/cm³
Atomic Radii Of The Elements: Potasioa0102030405060708090100110120130140150160170180190200210220230240250260270280pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
0,50147 eV/particle
ionizazio energia
4,34066354 eV/particle
ionizazio energia of K (Potasioa)
Irakite-entalpia
2,33 kJ/mol
urtze-entalpia
102,5 kJ/mol
formazio entalpia estandarra
elektroi
elektroi geruza2, 8, 8, 1
Bohrren eredu atomikoa: K (Potasioa)
balentzia-elektroi1
Lewis egitura: K (Potasioa)
electron configuration[Ar] 4s1
1s2 2s2 2p6 3s2 3p6 4s1
Enhanced Bohrren eredu atomikoa of K (Potasioa)
Orbital Diagram of K (Potasioa)
Oxidazio-egoera-1, 1
Elektronegatibotasun
0.82
Electrophilicity Index
0,7633848415985606 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
1.032,15 K
Melting Point
336,65 K
critical pressure
16 MPa
critical temperature
2.223,15 K
Puntu hirukoitz
appearance
kolore
Silver
appearancesilvery gray
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
molar heat capacity
Specific Heat Capacity
0,757 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
14 MS/m
Erresistibitate elektriko
0,00000007000000000002 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,0000000067 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000000262 m³/mol
suszeptibilitate magnetiko (Volume)
0,00000574
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
5,23 Å
Lattice Anglesπ/2, π/2, π/2
materialen propietate mekaniko
Gogortasun
0,4 MPa
konprimagarritasun-modulu
3,1 GPa
Zizaila modulua
1,3 GPa
Youngen modulu
Poissonen modulu
Soinuaren lastertasun
2.000 m/s
classification
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number10
Mendeleev Number3
Pettifor Number10
Geochemical Classalkali metal
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
polarizability
289,7 ± 0,3 a₀
C6 Dispersion Coefficient
3.923 a₀
allotrope
Neutron cross section
2,1
Neutron Mass Absorption
0,0018
zenbaki kuantiko2S1/2
talde espazial229 (Im_3m)

Isotopes of Potassium

Stable Isotopes2
Unstable Isotopes27
Natural Isotopes3
Isotopic Composition3993.26%3993.26%416.73%416.73%400.01%400.01%

31K

masa-zenbaki31
neutron number12
atomo-masa erlatibo
31,03678 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2019
parity+

decay modeintensity
3p100%

32K

masa-zenbaki32
neutron number13
atomo-masa erlatibo
32,023607 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)

33K

masa-zenbaki33
neutron number14
atomo-masa erlatibo
33,008095 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)

34K

masa-zenbaki34
neutron number15
atomo-masa erlatibo
33,99869 ± 0,00021 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)

35K

masa-zenbaki35
neutron number16
atomo-masa erlatibo
34,988005406 ± 0,00000055 Da
g-factor
0,26133333333333 ± 0,0046666666666667
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
175,2 ± 1,9 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1976
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.37%

36K

masa-zenbaki36
neutron number17
atomo-masa erlatibo
35,981301887 ± 0,000000349 Da
g-factor
0,274 ± 0,0005
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
341 ± 3 ms
spin2
nuclear quadrupole moment
aurkikuntza-data1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.048%
β+α (β+-delayed α emission)0.0034%

37K

masa-zenbaki37
neutron number18
atomo-masa erlatibo
36,97337589 ± 0,0000001 Da
g-factor
0,13547333333333 ± 0,00004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,23651 ± 0,00094 s
spin3/2
nuclear quadrupole moment
0,109 ± 0,004
aurkikuntza-data1958
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

38K

masa-zenbaki38
neutron number19
atomo-masa erlatibo
37,969081114 ± 0,000000209 Da
g-factor
0,457 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
7,651 ± 0,019 m
spin3
nuclear quadrupole moment
aurkikuntza-data1937
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

39K

masa-zenbaki39
neutron number20
atomo-masa erlatibo
38,96370648482 ± 0,00000000489 Da
g-factor
0,26098 ± 0,0000053333333333333
natural abundance
93,2581 ± 0,0044
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,0603 ± 0,0006
aurkikuntza-data1921
parity+

40K

masa-zenbaki40
neutron number21
atomo-masa erlatibo
39,963998165 ± 0,00000006 Da
g-factor
natural abundance
0,0117 ± 0,0001
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,248 ± 0,003 Gy
spin4
nuclear quadrupole moment
−0,075 ± 0,0008
aurkikuntza-data1935
parity-

decay modeintensity
β (β decay)89.28%
β+ (β+ decay; β+ = ϵ + e+)10.72%

41K

masa-zenbaki41
neutron number22
atomo-masa erlatibo
40,96182525611 ± 0,00000000403 Da
g-factor
0,143248 ± 0,0000033333333333333
natural abundance
6,7302 ± 0,0044
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,0734 ± 0,0007
aurkikuntza-data1921
parity+

42K

masa-zenbaki42
neutron number23
atomo-masa erlatibo
41,962402305 ± 0,000000113 Da
g-factor
−0,57125 ± 0,0003
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12,355 ± 0,007 h
spin2
nuclear quadrupole moment
aurkikuntza-data1935
parity-

decay modeintensity
β (β decay)100%

43K

masa-zenbaki43
neutron number24
atomo-masa erlatibo
42,960734701 ± 0,00000044 Da
g-factor
0,10886666666667 ± 0,00053333333333333
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22,3 ± 0,1 h
spin3/2
nuclear quadrupole moment
aurkikuntza-data1949
parity+

decay modeintensity
β (β decay)100%

44K

masa-zenbaki44
neutron number25
atomo-masa erlatibo
43,961586984 ± 0,00000045 Da
g-factor
−0,428 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22,13 ± 0,19 m
spin2
nuclear quadrupole moment
aurkikuntza-data1954
parity-

decay modeintensity
β (β decay)100%

45K

masa-zenbaki45
neutron number26
atomo-masa erlatibo
44,960691491 ± 0,00000056 Da
g-factor
0,1156 ± 0,00053333333333333
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
17,8 ± 0,6 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1964
parity+

decay modeintensity
β (β decay)100%

46K

masa-zenbaki46
neutron number27
atomo-masa erlatibo
45,961981584 ± 0,00000078 Da
g-factor
−0,5255 ± 0,003
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
96,3 ± 0,08 s
spin2
nuclear quadrupole moment
aurkikuntza-data1965
parity-

decay modeintensity
β (β decay)100%

47K

masa-zenbaki47
neutron number28
atomo-masa erlatibo
46,961661612 ± 0,0000015 Da
g-factor
3,866 ± 0,018
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
17,38 ± 0,03 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1964
parity+

decay modeintensity
β (β decay)100%

48K

masa-zenbaki48
neutron number29
atomo-masa erlatibo
47,965341184 ± 0,00000083 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
6,83 ± 0,14 s
spin1
nuclear quadrupole moment
aurkikuntza-data1972
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.14%

49K

masa-zenbaki49
neutron number30
atomo-masa erlatibo
48,968210753 ± 0,00000086 Da
g-factor
2,6772 ± 0,0016
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,26 ± 0,05 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1972
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)86%

50K

masa-zenbaki50
neutron number31
atomo-masa erlatibo
49,972380015 ± 0,0000083 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
472 ± 4 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1972
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)28.6%
2n (2-neutron emission)

51K

masa-zenbaki51
neutron number32
atomo-masa erlatibo
50,975828664 ± 0,000014 Da
g-factor
0,342 ± 0,0013333333333333
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
365 ± 5 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1983
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)65%
2n (2-neutron emission)

52K

masa-zenbaki52
neutron number33
atomo-masa erlatibo
51,981602 ± 0,000036 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
110 ± 4 ms
spin2
nuclear quadrupole moment
aurkikuntza-data1983
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)72.2%
2n (2-neutron emission)2.3%

53K

masa-zenbaki53
neutron number34
atomo-masa erlatibo
52,9868 ± 0,00012 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
30 ± 5 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1983
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)64%
2n (2-neutron emission)10%

54K

masa-zenbaki54
neutron number35
atomo-masa erlatibo
53,994471 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10 ± 5 ms
spin2
nuclear quadrupole moment
aurkikuntza-data1983
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

55K

masa-zenbaki55
neutron number36
atomo-masa erlatibo
55,000505 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2009
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

56K

masa-zenbaki56
neutron number37
atomo-masa erlatibo
56,008567 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin2
nuclear quadrupole moment
aurkikuntza-data2009
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

57K

masa-zenbaki57
neutron number38
atomo-masa erlatibo
57,015169 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

58K

masa-zenbaki58
neutron number39
atomo-masa erlatibo
58,023543 ± 0,000751 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin2
nuclear quadrupole moment
aurkikuntza-data2019
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

59K

masa-zenbaki59
neutron number40
atomo-masa erlatibo
59,030864 ± 0,000859 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Kalium

historia

aurkitzailea edo asmatzaileaSir Humphrey Davy
aurkikuntzaren lekuaEngland
aurkikuntza-data1807
etimologiaEnglish: pot ash; symbol from Latin: kalium, (alkali).
pronunciationpe-TASS-i-em (ingelesa)

source

Abundance
Abundance in Earth's crust
20.900 mg/kg
natural abundance (ozeano)
399 mg/L
natural abundance (gizakiaren gorputza)
0,2 %
natural abundance (Meteoroide)
0,07 %
natural abundance (Eguzkia)
0,0004 %
Abundance in Universe
0,0003 %

Nuclear Screening Constants

1s0.5105
2p3.9728
2s5.9938
3p11.2744
3s10.3201
4s15.5048