Kalij[um]

Kalij[um] (K)

hemijski element sa simbolom K i atomskim brojem 19
Atomic Number19
Atomic Weight39.0983
Maseni broj39
Group1
Period4
Blocks
Proton19 p+
Neutron20 n0
Elektron19 e-
Animated Bohrov model atoma of K (Kalij[um])

Physical Property

Atomski Radijus
220 pm
Molarni volumen
covalent radius
196 pm
Metallic Radius
203 pm
Ionski radijus
137 pm
Crystal Radius
151 pm
Van der Waalsov radijus
275 pm
gustoća
0,89 g/cm³
Atomic Radii Of The Elements: Kalij[um]0102030405060708090100110120130140150160170180190200210220230240250260270280pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
0,50147 eV/particle
ionization energy
4,34066354 eV/particle
ionization energy of K (Kalij[um])
Toplota isparavanja
2,33 kJ/mol
toplota topljenja
102,5 kJ/mol
standard enthalpy of formation
Elektron
electron shell2, 8, 8, 1
Bohrov model atoma: K (Kalij[um])
Valentni elektron1
Lewis structure: K (Kalij[um])
electron configuration[Ar] 4s1
1s2 2s2 2p6 3s2 3p6 4s1
Enhanced Bohrov model atoma of K (Kalij[um])
Orbital Diagram of K (Kalij[um])
oksidacijsko stanje-1, 1
Elektronegativnost
0.82
Electrophilicity Index
0,7633848415985606 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
1.032,15 K
Melting Point
336,65 K
critical pressure
16 MPa
Kritična temperatura
2.223,15 K
Trojna tačka
appearance
boja
Silver
appearancesilvery gray
Indeks prelamanja
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
0,757 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Specifična električna provodljivost
14 MS/m
electrical resistivity
0,00000007000000000002 m Ω
Superprovodljivost
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000067 m³/Kg
magnetic susceptibility (Molar)
0,000000000262 m³/mol
magnetic susceptibility (Volume)
0,00000574
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
5,23 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
0,4 MPa
bulk modulus
3,1 GPa
shear modulus
1,3 GPa
Young's modulus
Poisson's ratio
Brzina zvuka
2.000 m/s
klasifikacija
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
Kvantni brojevi2S1/2
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

Maseni broj31
broj neutrona12
relative atomic mass
31,03678 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića2019
parity+

decay modeintensity
3p100%

32K

Maseni broj32
broj neutrona13
relative atomic mass
32,023607 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
p (proton emission)

33K

Maseni broj33
broj neutrona14
relative atomic mass
33,008095 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
p (proton emission)

34K

Maseni broj34
broj neutrona15
relative atomic mass
33,99869 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
p (proton emission)

35K

Maseni broj35
broj neutrona16
relative atomic mass
34,988005406 ± 0,00000055 Da
g-factor
0,26133333333333 ± 0,0046666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
175,2 ± 1,9 ms
spin3/2
nuclear quadrupole moment
datum otkrića1976
parity+

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

36K

Maseni broj36
broj neutrona17
relative atomic mass
35,981301887 ± 0,000000349 Da
g-factor
0,274 ± 0,0005
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
341 ± 3 ms
spin2
nuclear quadrupole moment
datum otkrića1967
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

Maseni broj37
broj neutrona18
relative atomic mass
36,97337589 ± 0,0000001 Da
g-factor
0,13547333333333 ± 0,00004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,23651 ± 0,00094 s
spin3/2
nuclear quadrupole moment
0,109 ± 0,004
datum otkrića1958
parity+

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

38K

Maseni broj38
broj neutrona19
relative atomic mass
37,969081114 ± 0,000000209 Da
g-factor
0,457 ± 0,002
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,651 ± 0,019 m
spin3
nuclear quadrupole moment
datum otkrića1937
parity+

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

39K

Maseni broj39
broj neutrona20
relative atomic mass
38,96370648482 ± 0,00000000489 Da
g-factor
0,26098 ± 0,0000053333333333333
natural abundance
93,2581 ± 0,0044
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,0603 ± 0,0006
datum otkrića1921
parity+

40K

Maseni broj40
broj neutrona21
relative atomic mass
39,963998165 ± 0,00000006 Da
g-factor
natural abundance
0,0117 ± 0,0001
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,248 ± 0,003 Gy
spin4
nuclear quadrupole moment
-0,075 ± 0,0008
datum otkrića1935
parity-

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

41K

Maseni broj41
broj neutrona22
relative atomic mass
40,96182525611 ± 0,00000000403 Da
g-factor
0,143248 ± 0,0000033333333333333
natural abundance
6,7302 ± 0,0044
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,0734 ± 0,0007
datum otkrića1921
parity+

42K

Maseni broj42
broj neutrona23
relative atomic mass
41,962402305 ± 0,000000113 Da
g-factor
-0,57125 ± 0,0003
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,355 ± 0,007 h
spin2
nuclear quadrupole moment
datum otkrića1935
parity-

decay modeintensity
β (β decay)100%

43K

Maseni broj43
broj neutrona24
relative atomic mass
42,960734701 ± 0,00000044 Da
g-factor
0,10886666666667 ± 0,00053333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,3 ± 0,1 h
spin3/2
nuclear quadrupole moment
datum otkrića1949
parity+

decay modeintensity
β (β decay)100%

44K

Maseni broj44
broj neutrona25
relative atomic mass
43,961586984 ± 0,00000045 Da
g-factor
-0,428 ± 0,002
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,13 ± 0,19 m
spin2
nuclear quadrupole moment
datum otkrića1954
parity-

decay modeintensity
β (β decay)100%

45K

Maseni broj45
broj neutrona26
relative atomic mass
44,960691491 ± 0,00000056 Da
g-factor
0,1156 ± 0,00053333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,8 ± 0,6 m
spin3/2
nuclear quadrupole moment
datum otkrića1964
parity+

decay modeintensity
β (β decay)100%

46K

Maseni broj46
broj neutrona27
relative atomic mass
45,961981584 ± 0,00000078 Da
g-factor
-0,5255 ± 0,003
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
96,3 ± 0,08 s
spin2
nuclear quadrupole moment
datum otkrića1965
parity-

decay modeintensity
β (β decay)100%

47K

Maseni broj47
broj neutrona28
relative atomic mass
46,961661612 ± 0,0000015 Da
g-factor
3,866 ± 0,018
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,38 ± 0,03 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1964
parity+

decay modeintensity
β (β decay)100%

48K

Maseni broj48
broj neutrona29
relative atomic mass
47,965341184 ± 0,00000083 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,83 ± 0,14 s
spin1
nuclear quadrupole moment
datum otkrića1972
parity-

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

49K

Maseni broj49
broj neutrona30
relative atomic mass
48,968210753 ± 0,00000086 Da
g-factor
2,6772 ± 0,0016
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,26 ± 0,05 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1972
parity+

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

50K

Maseni broj50
broj neutrona31
relative atomic mass
49,972380015 ± 0,0000083 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
472 ± 4 ms
spin0
nuclear quadrupole moment
0
datum otkrića1972
parity-

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

51K

Maseni broj51
broj neutrona32
relative atomic mass
50,975828664 ± 0,000014 Da
g-factor
0,342 ± 0,0013333333333333
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
365 ± 5 ms
spin3/2
nuclear quadrupole moment
datum otkrića1983
parity+

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

52K

Maseni broj52
broj neutrona33
relative atomic mass
51,981602 ± 0,000036 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
110 ± 4 ms
spin2
nuclear quadrupole moment
datum otkrića1983
parity-

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

53K

Maseni broj53
broj neutrona34
relative atomic mass
52,9868 ± 0,00012 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
30 ± 5 ms
spin3/2
nuclear quadrupole moment
datum otkrića1983
parity+

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

54K

Maseni broj54
broj neutrona35
relative atomic mass
53,994471 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10 ± 5 ms
spin2
nuclear quadrupole moment
datum otkrića1983
parity-

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

55K

Maseni broj55
broj neutrona36
relative atomic mass
55,000505 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića2009
parity+

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

56K

Maseni broj56
broj neutrona37
relative atomic mass
56,008567 ± 0,000644 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
datum otkrića2009
parity-

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

57K

Maseni broj57
broj neutrona38
relative atomic mass
57,015169 ± 0,000644 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića2018
parity+

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

58K

Maseni broj58
broj neutrona39
relative atomic mass
58,023543 ± 0,000751 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin2
nuclear quadrupole moment
datum otkrića2019
parity-

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

59K

Maseni broj59
broj neutrona40
relative atomic mass
59,030864 ± 0,000859 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića2018
parity+

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

historija

otkrivač ili izumiteljSir Humphrey Davy
mjesto otkrićaEngland
datum otkrića1807
EtimologijaEnglish: pot ash; symbol from Latin: kalium, (alkali).
pronunciationpe-TASS-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust
20.900 mg/kg
natural abundance (okean)
399 mg/L
natural abundance (ljudsko tijelo)
0,2 %
natural abundance (Meteoroidi)
0,07 %
natural abundance (Sunce)
0,0004 %
Abundance in Universe
0,0003 %

Nuclear Screening Constants

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