Kalium

Kalium (K)

chemical element with symbol K and atomic number 19
Atomic Number19
Atomic Weight39.0983
Numri i masës39
Group1
Period4
Blocks
protoni19 p+
neutroni20 n0
elektroni19 e-
Animated Bohr model of K (Kalium)

Tipar Fizik

Atomic Radius
220 pm
molar volume
covalent radius
196 pm
Metallic Radius
203 pm
ionic radius
137 pm
Crystal Radius
151 pm
Van der Waals radius
275 pm
density
0,89 g/cm³
Atomic Radii Of The Elements: Kalium020406080100120140160180200220240260280pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
0,50147 eV/particle
ionization energy
4,34066354 eV/particle
ionization energy of K (Kalium)
enthalpy of vaporization
2,33 kJ/mol
enthalpy of fusion
102,5 kJ/mol
standard enthalpy of formation
elektroni
electron shell2, 8, 8, 1
Bohr model: K (Kalium)
valence electron1
Lewis structure: K (Kalium)
konfigurimi i elektronit[Ar] 4s1
1s2 2s2 2p6 3s2 3p6 4s1
Enhanced Bohr model of K (Kalium)
Orbital Diagram of K (Kalium)
oxidation number-1, 1
Elektronegativiteti
0.82
Electrophilicity Index
0,7633848415985606 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
1 032,15 K
Melting Point
336,65 K
critical pressure
16 MPa
critical temperature
2 223,15 K
triple point
appearance
Ngjyra
Silver
appearancesilvery gray
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
0,757 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
14 MS/m
electrical resistivity
0,00000007000000000002 m Ω
Superpërcjellshmëria
Magnetizimi
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000067 m³/Kg
magnetic susceptibility (Molar)
0,000000000262 m³/mol
magnetic susceptibility (Volume)
0,00000574
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal StructureBody Centered Cubic (BCC)
lattice constant
5,23 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
0,4 MPa
bulk modulus
3,1 GPa
shear modulus
1,3 GPa
Young's modulus
Poisson's ratio
Shpejtësia e zërit
2 000 m/s
klasifikim
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number10
Mendeleev Number3
Pettifor Number10
Geochemical Classalkali metal
Goldschmidt classificationlitophile

other

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
numër kuantik2S1/2
space group229 (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

Numri i masës31
numri i neutroneve12
relative atomic mass
31,03678 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2019
parity+

decay modeintensitet
3p100%

32K

Numri i masës32
numri i neutroneve13
relative atomic mass
32,023607 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

33K

Numri i masës33
numri i neutroneve14
relative atomic mass
33,008095 ± 0,000215 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

34K

Numri i masës34
numri i neutroneve15
relative atomic mass
33,99869 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
p (proton emission)

35K

Numri i masës35
numri i neutroneve16
relative atomic mass
34,988005406 ± 0,00000055 Da
g-factor
0,26133333333333 ± 0,0046666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
175,2 ± 1,9 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1976
parity+

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

36K

Numri i masës36
numri i neutroneve17
relative atomic mass
35,981301887 ± 0,000000349 Da
g-factor
0,274 ± 0,0005
natural abundance
Radioaktivitet☢️ radioactive element
half-life
341 ± 3 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity+

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

37K

Numri i masës37
numri i neutroneve18
relative atomic mass
36,97337589 ± 0,0000001 Da
g-factor
0,13547333333333 ± 0,00004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,23651 ± 0,00094 s
Spini3/2
nuclear quadrupole moment
0,109 ± 0,004
koha e zbulimit apo shpikjes1958
parity+

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

38K

Numri i masës38
numri i neutroneve19
relative atomic mass
37,969081114 ± 0,000000209 Da
g-factor
0,457 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,651 ± 0,019 m
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1937
parity+

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

39K

Numri i masës39
numri i neutroneve20
relative atomic mass
38,96370648482 ± 0,00000000489 Da
g-factor
0,26098 ± 0,0000053333333333333
natural abundance
93,2581 ± 0,0044
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
0,0603 ± 0,0006
koha e zbulimit apo shpikjes1921
parity+

40K

Numri i masës40
numri i neutroneve21
relative atomic mass
39,963998165 ± 0,00000006 Da
g-factor
natural abundance
0,0117 ± 0,0001
Radioaktivitet☢️ radioactive element
half-life
1,248 ± 0,003 Gy
Spini4
nuclear quadrupole moment
-0,075 ± 0,0008
koha e zbulimit apo shpikjes1935
parity-

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

41K

Numri i masës41
numri i neutroneve22
relative atomic mass
40,96182525611 ± 0,00000000403 Da
g-factor
0,143248 ± 0,0000033333333333333
natural abundance
6,7302 ± 0,0044
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
0,0734 ± 0,0007
koha e zbulimit apo shpikjes1921
parity+

42K

Numri i masës42
numri i neutroneve23
relative atomic mass
41,962402305 ± 0,000000113 Da
g-factor
-0,57125 ± 0,0003
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12,355 ± 0,007 h
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1935
parity-

decay modeintensitet
β (β decay)100%

43K

Numri i masës43
numri i neutroneve24
relative atomic mass
42,960734701 ± 0,00000044 Da
g-factor
0,10886666666667 ± 0,00053333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22,3 ± 0,1 h
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1949
parity+

decay modeintensitet
β (β decay)100%

44K

Numri i masës44
numri i neutroneve25
relative atomic mass
43,961586984 ± 0,00000045 Da
g-factor
-0,428 ± 0,002
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22,13 ± 0,19 m
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity-

decay modeintensitet
β (β decay)100%

45K

Numri i masës45
numri i neutroneve26
relative atomic mass
44,960691491 ± 0,00000056 Da
g-factor
0,1156 ± 0,00053333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,8 ± 0,6 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1964
parity+

decay modeintensitet
β (β decay)100%

46K

Numri i masës46
numri i neutroneve27
relative atomic mass
45,961981584 ± 0,00000078 Da
g-factor
-0,5255 ± 0,003
natural abundance
Radioaktivitet☢️ radioactive element
half-life
96,3 ± 0,08 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1965
parity-

decay modeintensitet
β (β decay)100%

47K

Numri i masës47
numri i neutroneve28
relative atomic mass
46,961661612 ± 0,0000015 Da
g-factor
3,866 ± 0,018
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,38 ± 0,03 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1964
parity+

decay modeintensitet
β (β decay)100%

48K

Numri i masës48
numri i neutroneve29
relative atomic mass
47,965341184 ± 0,00000083 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,83 ± 0,14 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity-

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

49K

Numri i masës49
numri i neutroneve30
relative atomic mass
48,968210753 ± 0,00000086 Da
g-factor
2,6772 ± 0,0016
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,26 ± 0,05 s
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1972
parity+

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

50K

Numri i masës50
numri i neutroneve31
relative atomic mass
49,972380015 ± 0,0000083 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
472 ± 4 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1972
parity-

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

51K

Numri i masës51
numri i neutroneve32
relative atomic mass
50,975828664 ± 0,000014 Da
g-factor
0,342 ± 0,0013333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
365 ± 5 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity+

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

52K

Numri i masës52
numri i neutroneve33
relative atomic mass
51,981602 ± 0,000036 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
110 ± 4 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity-

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

53K

Numri i masës53
numri i neutroneve34
relative atomic mass
52,9868 ± 0,00012 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
30 ± 5 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity+

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

54K

Numri i masës54
numri i neutroneve35
relative atomic mass
53,994471 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10 ± 5 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity-

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

55K

Numri i masës55
numri i neutroneve36
relative atomic mass
55,000505 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity+

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

56K

Numri i masës56
numri i neutroneve37
relative atomic mass
56,008567 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2009
parity-

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

57K

Numri i masës57
numri i neutroneve38
relative atomic mass
57,015169 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity+

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

58K

Numri i masës58
numri i neutroneve39
relative atomic mass
58,023543 ± 0,000751 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2019
parity-

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

59K

Numri i masës59
numri i neutroneve40
relative atomic mass
59,030864 ± 0,000859 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity+

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

historia

zbuluesSir Humphrey Davy
vendndodhja e zbulimitEngland
koha e zbulimit apo shpikjes1807
EtimologjiaEnglish: pot ash; symbol from Latin: kalium, (alkali).
pronunciationpe-TASS-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust
20 900 mg/kg
natural abundance (Oqeani)
399 mg/L
natural abundance (Trupi i njeriut)
0,2 %
natural abundance (meteoroid)
0,07 %
natural abundance (Diell)
0,0004 %
Abundance in Universe
0,0003 %

Nuclear Screening Constants

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