Potasioa (K)

19 zenbaki atomikoa duen elementu kimikoa

Atomic Number	19
Atomic Weight	39.0983
masa-zenbaki	39

Group	1
Period	4
Block	s

protoi	19 p⁺
neutroi	20 n⁰
elektroi	19 e^-

Animated Bohrren eredu atomikoa of K (Potasioa)

Propietate Fisiko

Erradio Atomiko	220 pm 234 pm
bolumen molar	45,3 cm³/mol
Erradio Kobalente	196 pm 193 pm 207 pm 203 pm
Metallic Radius	203 pm 235 pm
Erradio ioniko	137 pm 138 pm 146 pm 151 pm 155 pm 159 pm 164 pm
Crystal Radius	151 pm 152 pm 160 pm 165 pm 169 pm 173 pm 178 pm
Van der Waalsen erradio	280 pm 275 pm 275 pm 309 pm 381,2 pm
dentsitatea	0,89 g/cm³ 828 kg/m³

Magnitude Fisiko

{ERROR}

energia

proton affinity
Afinitate elektroniko	0,50147 eV/particle
ionizazio energia	4,34066354 eV/particle 31,625 eV/particle 45,8031 eV/particle 60,917 eV/particle 82,66 eV/particle 99,4 eV/particle 117,56 eV/particle 154,87 eV/particle 175,8174 eV/particle 503,67 eV/particle 565,6 eV/particle 631 eV/particle 714,71 eV/particle 786,26 eV/particle 860,92 eV/particle 967,66 eV/particle 1.034,541 eV/particle 4.610,86998 eV/particle 4.934,0482 eV/particle

Irakite-entalpia	2,33 kJ/mol
urtze-entalpia	102,5 kJ/mol
formazio entalpia estandarra	89 kJ/mol
elektroi

elektroi geruza	2, 8, 8, 1

balentzia-elektroi	1 ⓘ

electron configuration	[Ar] 4s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

Oxidazio-egoera	-1, 1
Elektronegatibotasun	4,34 eV/particle 0.0981896 0.82
Electrophilicity Index	0,7633848415985606 eV/particle
materiaren funtsezko egoera

materiaren egoera
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	Black #ff1493 #8f40d4 #8f40d4
appearance	silvery gray
errefrakzio-indize
thermodynamic material property
Thermal Conductivity	79 W/(m K)
Bero-dilatazio
molar heat capacity	29,6 J/(mol K)
Specific Heat Capacity	0,757 J/(g⋅K)
indize adiabatiko
electrical properties
type	Conductor
Eroankortasun elektriko	14 MS/m
Erresistibitate elektriko	0,00000007000000000002 Ω*m
Supereroankortasun
Magnetismo
type	paramagnetic
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 Structure	{ERROR}
lattice constant	5,23 Å
Lattice Angles	π/2, π/2, π/2
materialen propietate mekaniko
Gogortasun	0,363 MPa 0,4 MPa
konprimagarritasun-modulu	3,1 GPa
Zizaila modulua	1,3 GPa
Youngen modulu
Poissonen modulu
Soinuaren lastertasun	2.000 m/s
classification
Category	Actinides, Alkali metals
CAS Group	IA
IUPAC Group	IA
Glawe Number	10
Mendeleev Number	3
Pettifor Number	10
Geochemical Class	alkali metal
Goldschmidt classification	litophile

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Gas Basicity
polarizability	289,7 ± 0,3 a₀
C6 Dispersion Coefficient	3.923 a₀ 3.910 a₀
allotrope
Neutron cross section	2,1
Neutron Mass Absorption	0,0018
zenbaki kuantiko	2S1/2
talde espazial	229 (Im_3m)

Isotopes of Potassium

Stable Isotopes	2
Unstable Isotopes	27
Natural Isotopes	3

³¹K

masa-zenbaki	31
neutron number	12
Atomo-Masa Erlatibo	31,03678 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	2019
parity	+

decay mode	intensity
3p	100%

³²K

masa-zenbaki	32
neutron number	13
Atomo-Masa Erlatibo	32,023607 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
p (proton emission)

³³K

masa-zenbaki	33
neutron number	14
Atomo-Masa Erlatibo	33,008095 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
p (proton emission)

³⁴K

masa-zenbaki	34
neutron number	15
Atomo-Masa Erlatibo	33,99869 ± 0,00021 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	1
nuclear quadrupole moment
aurkikuntza-data
parity	+

decay mode	intensity
p (proton emission)

³⁵K

masa-zenbaki	35
neutron number	16
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
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1976
parity	+

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

³⁶K

masa-zenbaki	36
neutron number	17
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
spin	2
nuclear quadrupole moment
aurkikuntza-data	1967
parity	+

decay mode	intensity
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-zenbaki	37
neutron number	18
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
spin	3/2
nuclear quadrupole moment	0,109 ± 0,004
aurkikuntza-data	1958
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

³⁸K

masa-zenbaki	38
neutron number	19
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
spin	3
nuclear quadrupole moment
aurkikuntza-data	1937
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

³⁹K

masa-zenbaki	39
neutron number	20
Atomo-Masa Erlatibo	38,96370648482 ± 0,00000000489 Da
g-factor	0,26098 ± 0,0000053333333333333
natural abundance	93,2581 ± 0,0044
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,0603 ± 0,0006
aurkikuntza-data	1921
parity	+

⁴⁰K

masa-zenbaki	40
neutron number	21
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
spin	4
nuclear quadrupole moment	−0,075 ± 0,0008
aurkikuntza-data	1935
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	89.28%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	10.72%

⁴¹K

masa-zenbaki	41
neutron number	22
Atomo-Masa Erlatibo	40,96182525611 ± 0,00000000403 Da
g-factor	0,143248 ± 0,0000033333333333333
natural abundance	6,7302 ± 0,0044
desintegrazio erradioaktibo	isotopo egonkor
Semidesintegrazio-periodo	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,0734 ± 0,0007
aurkikuntza-data	1921
parity	+

⁴²K

masa-zenbaki	42
neutron number	23
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
spin	2
nuclear quadrupole moment
aurkikuntza-data	1935
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴³K

masa-zenbaki	43
neutron number	24
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
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1949
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴⁴K

masa-zenbaki	44
neutron number	25
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
spin	2
nuclear quadrupole moment
aurkikuntza-data	1954
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴⁵K

masa-zenbaki	45
neutron number	26
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
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1964
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴⁶K

masa-zenbaki	46
neutron number	27
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
spin	2
nuclear quadrupole moment
aurkikuntza-data	1965
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴⁷K

masa-zenbaki	47
neutron number	28
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
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1964
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁴⁸K

masa-zenbaki	48
neutron number	29
Atomo-Masa Erlatibo	47,965341184 ± 0,00000083 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	6,83 ± 0,14 s
spin	1
nuclear quadrupole moment
aurkikuntza-data	1972
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1.14%

⁴⁹K

masa-zenbaki	49
neutron number	30
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
spin	1/2
nuclear quadrupole moment	0
aurkikuntza-data	1972
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	86%

⁵⁰K

masa-zenbaki	50
neutron number	31
Atomo-Masa Erlatibo	49,972380015 ± 0,0000083 Da
g-factor	0
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	472 ± 4 ms
spin	0
nuclear quadrupole moment	0
aurkikuntza-data	1972
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	28.6%
2n (2-neutron emission)

⁵¹K

masa-zenbaki	51
neutron number	32
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
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1983
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	65%
2n (2-neutron emission)

⁵²K

masa-zenbaki	52
neutron number	33
Atomo-Masa Erlatibo	51,981602 ± 0,000036 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	110 ± 4 ms
spin	2
nuclear quadrupole moment
aurkikuntza-data	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	72.2%
2n (2-neutron emission)	2.3%

⁵³K

masa-zenbaki	53
neutron number	34
Atomo-Masa Erlatibo	52,9868 ± 0,00012 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	30 ± 5 ms
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	1983
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	64%
2n (2-neutron emission)	10%

⁵⁴K

masa-zenbaki	54
neutron number	35
Atomo-Masa Erlatibo	53,994471 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo	10 ± 5 ms
spin	2
nuclear quadrupole moment
aurkikuntza-data	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁵⁵K

masa-zenbaki	55
neutron number	36
Atomo-Masa Erlatibo	55,000505 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	2009
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁵⁶K

masa-zenbaki	56
neutron number	37
Atomo-Masa Erlatibo	56,008567 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	2
nuclear quadrupole moment
aurkikuntza-data	2009
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁵⁷K

masa-zenbaki	57
neutron number	38
Atomo-Masa Erlatibo	57,015169 ± 0,000644 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	2018
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁵⁸K

masa-zenbaki	58
neutron number	39
Atomo-Masa Erlatibo	58,023543 ± 0,000751 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	2
nuclear quadrupole moment
aurkikuntza-data	2019
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁵⁹K

masa-zenbaki	59
neutron number	40
Atomo-Masa Erlatibo	59,030864 ± 0,000859 Da
g-factor
natural abundance
desintegrazio erradioaktibo	☢️ radioactive element
Semidesintegrazio-periodo
spin	3/2
nuclear quadrupole moment
aurkikuntza-data	2018
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

historia

aurkitzailea edo asmatzailea	Sir Humphrey Davy
aurkikuntzaren lekua	England
aurkikuntza-data	1807
etimologia	English: pot ash; symbol from Latin: kalium, (alkali).
pronunciation	pe-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

1	s	0.5105
2	p	3.9728
2	s	5.9938
3	p	11.2744
3	s	10.3201
4	s	15.5048

Potasioa on ChemicalAid

Potasioa (K)

Propietate Fisiko

Magnitude Fisiko

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Isotopes of Potassium

31K

32K

33K

34K

35K

36K

37K

38K

39K

40K

41K

42K

43K

44K

45K

46K

47K

48K

49K

50K

51K

52K

53K

54K

55K

56K

57K

58K

59K

historia

source

Nuclear Screening Constants

³¹K

³²K

³³K

³⁴K

³⁵K

³⁶K

³⁷K

³⁸K

³⁹K

⁴⁰K

⁴¹K

⁴²K

⁴³K

⁴⁴K

⁴⁵K

⁴⁶K

⁴⁷K

⁴⁸K

⁴⁹K

⁵⁰K

⁵¹K

⁵²K

⁵³K

⁵⁴K

⁵⁵K

⁵⁶K

⁵⁷K

⁵⁸K

⁵⁹K