Argonas

Argonas (Ar)

chemical element with symbol Ar and atomic number 18; rare gas
Atomic Number18
Atomic Weight39.948
mass number40
Group18
Period3
Blockp
protonas18 p+
neutronas22 n0
elektronas18 e-
Animated Boro teorija of Ar (Argonas)

Fizikinė Ypatybė

Atomo Spindulys
molinis tūris
Kovalentinis spindulys
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
tankis
Atomic Radii Of The Elements: Argonas0102030405060708090100110120130140150160170180190pmAtomo SpindulysKovalentinis SpindulysMetallic RadiusVan der Waals radius

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Ar (Argonas)
Garavimo šiluma
lydymosi šiluma
standard enthalpy of formation
elektronas
electron shell2, 8, 8
Boro teorija: Ar (Argonas)
Valentinis elektronas8
Lewis structure: Ar (Argonas)
elektronų konfigūracija[Ne] 3s2 3p6
1s2 2s2 2p6 3s2 3p6
Enhanced Boro teorija of Ar (Argonas)
Orbital Diagram of Ar (Argonas)
oksidacijos laipsnis0
Elektroneigiamumas
Electrophilicity Index
fundamental state of matter
phase of matterGas
gaseous state of matterMonoatomic
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
spalva
Colorless
appearancecolorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field
lūžio rodiklis
1,000281
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio5/3
electrical properties
type
Elektrinis laidumas
electrical resistivity
Superlaidumas
Magnetizmas
typediamagnetic
magnetic susceptibility (Mass)
−0,000000006 m³/Kg
magnetic susceptibility (Molar)
−0,00000000024 m³/mol
magnetic susceptibility (Volume)
−0,0000000107
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureFace Centered Cubic (FCC)
Gardelės konstanta
Lattice Anglesπ/2, π/2, π/2
mechanical property
kietis
bulk modulus
shear modulus
Jungo modulis
Puasono santykis
garso greitis
classification
CategoryNoble gases, Noble gases
CAS GroupVIII
IUPAC GroupVIIIA
Glawe Number3
Mendeleev Number114
Pettifor Number3
Geochemical Classvolatile
Goldšmito klasifikacijaatmophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
0,66
Neutron Mass Absorption
0,00059
quantum number1S0
space group225 (Fm_3m)

Isotopes of Argon

Stable Isotopes2
Unstable Isotopes24
Natural Isotopes3
Isotopic Composition4099.60%4099.60%360.33%360.33%380.06%380.06%

29Ar

mass number29
neutron number11
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys5/2
nuclear quadrupole moment
atradimo data2018
parity+

decay modeIntensyvumas
2p (2-proton emission)100%

30Ar

mass number30
neutron number12
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys0
nuclear quadrupole moment
0
atradimo data2015
parity+

decay modeIntensyvumas
2p (2-proton emission)100%

31Ar

mass number31
neutron number13
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
15 ± 0,3 ms
Sukinys5/2
nuclear quadrupole moment
atradimo data1986
parity+

decay modeIntensyvumas
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)68.3%
2p (2-proton emission)9%
B+pA0.38%
3p0.07%
β+α (β+-delayed α emission)0.03%
2p (2-proton emission)0.0006%

32Ar

mass number32
neutron number14
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
98 ± 2 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data1977
parity+

decay modeIntensyvumas
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)35.58%

33Ar

mass number33
neutron number15
Relative Atomic Mass
g-factor
−1,446 ± 0,012
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
173 ± 2 ms
Sukinys1/2
nuclear quadrupole moment
0
atradimo data1964
parity+

decay modeIntensyvumas
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)38.7%

34Ar

mass number34
neutron number16
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
846,46 ± 0,35 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data1966
parity+

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

35Ar

mass number35
neutron number17
Relative Atomic Mass
g-factor
0,42133333333333 ± 0,00013333333333333
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,7756 ± 0,001 s
Sukinys3/2
nuclear quadrupole moment
−0,084 ± 0,015
atradimo data1940
parity+

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

36Ar

mass number36
neutron number18
Relative Atomic Mass
g-factor
0
natural abundance
0,3336 ± 0,021
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys0
nuclear quadrupole moment
0
atradimo data1920
parity+

decay modeIntensyvumas
+ (double β+ decay)

37Ar

mass number37
neutron number19
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
35,011 ± 0,019 d
Sukinys3/2
nuclear quadrupole moment
0,076 ± 0,003
atradimo data1941
parity+

decay modeIntensyvumas
ϵ (electron capture)100%

38Ar

mass number38
neutron number20
Relative Atomic Mass
g-factor
0
natural abundance
0,0629 ± 0,007
Radioaktyvumasstable isotope
pusėjimo trukmėNot Radioactive ☢️
Sukinys0
nuclear quadrupole moment
0
atradimo data1934
parity+

39Ar

mass number39
neutron number21
Relative Atomic Mass
g-factor
−0,45428571428571 ± 0,0042857142857143
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
268 ± 8 y
Sukinys7/2
nuclear quadrupole moment
−0,116 ± 0,002
atradimo data1950
parity-

decay modeIntensyvumas
β (β decay)100%

40Ar

mass number40
neutron number22
Relative Atomic Mass
g-factor
0
natural abundance
99,6035 ± 0,025
Radioaktyvumasstable isotope
pusėjimo trukmėNot Radioactive ☢️
Sukinys0
nuclear quadrupole moment
0
atradimo data1920
parity+

41Ar

mass number41
neutron number23
Relative Atomic Mass
g-factor
−0,37428571428571 ± 0,0022857142857143
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
109,61 ± 0,04 m
Sukinys7/2
nuclear quadrupole moment
−0,042 ± 0,004
atradimo data1936
parity-

decay modeIntensyvumas
β (β decay)100%

42Ar

mass number42
neutron number24
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
32,9 ± 1,1 y
Sukinys0
nuclear quadrupole moment
0
atradimo data1952
parity+

decay modeIntensyvumas
β (β decay)100%

43Ar

mass number43
neutron number25
Relative Atomic Mass
g-factor
−0,4088 ± 0,0024
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
5,37 ± 0,06 m
Sukinys5/2
nuclear quadrupole moment
0,142 ± 0,014
atradimo data1969
parity

decay modeIntensyvumas
β (β decay)100%

44Ar

mass number44
neutron number26
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
11,87 ± 0,05 m
Sukinys0
nuclear quadrupole moment
0
atradimo data1969
parity+

decay modeIntensyvumas
β (β decay)100%

45Ar

mass number45
neutron number27
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
21,48 ± 0,15 s
Sukinys5/2
nuclear quadrupole moment
atradimo data1974
parity-

decay modeIntensyvumas
β (β decay)100%

46Ar

mass number46
neutron number28
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
8,4 ± 0,6 s
Sukinys0
nuclear quadrupole moment
0
atradimo data1974
parity+

decay modeIntensyvumas
β (β decay)100%

47Ar

mass number47
neutron number29
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
1,23 ± 0,03 s
Sukinys3/2
nuclear quadrupole moment
atradimo data1985
parity

decay modeIntensyvumas
β (β decay)100%
β n (β-delayed neutron emission)0.2%

48Ar

mass number48
neutron number30
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
415 ± 15 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data2004
parity+

decay modeIntensyvumas
β (β decay)100%
β n (β-delayed neutron emission)38%

49Ar

mass number49
neutron number31
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
236 ± 8 ms
Sukinys3/2
nuclear quadrupole moment
atradimo data1989
parity-

decay modeIntensyvumas
β (β decay)100%
β n (β-delayed neutron emission)29%
2n (2-neutron emission)

50Ar

mass number50
neutron number32
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
106 ± 6 ms
Sukinys0
nuclear quadrupole moment
0
atradimo data1989
parity+

decay modeIntensyvumas
β (β decay)100%
β n (β-delayed neutron emission)37%
2n (2-neutron emission)

51Ar

mass number51
neutron number33
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys1/2
nuclear quadrupole moment
0
atradimo data1989
parity-

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

52Ar

mass number52
neutron number34
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys0
nuclear quadrupole moment
0
atradimo data2009
parity+

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

53Ar

mass number53
neutron number35
Relative Atomic Mass
g-factor
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys5/2
nuclear quadrupole moment
atradimo data2009
parity-

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

54Ar

mass number54
neutron number36
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktyvumas☢️ radioactive element
pusėjimo trukmė
Sukinys0
nuclear quadrupole moment
0
atradimo data2018
parity+

decay modeIntensyvumas
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Argon ice 1

istorija

atradėjas arba išradėjasSir William Ramsey, Baron Rayleigh
location of discoveryScotland
atradimo data1894
EtimologijaGreek: argos (inactive).
pronunciationAR-gon (anglų)

source

Abundance
Abundance in Earth's crust
natural abundance (Vandenynas)
natural abundance (Kūnas)
natural abundance (Meteoroidas)
natural abundance (Saulė)
0,007 %
Abundance in Universe
0,02 %

Nuclear Screening Constants

1s0.4925
2p3.9918
2s5.7696
3p11.2359
3s10.2432