Stroncijs

Stroncijs (Sr)

ķīmiskais elements ar atomnumuru 38
Atomic Number38
Atomic Weight87.62
Masas skaitlis88
Group2
Period5
Blocks
protons38 p+
neitrons50 n0
elektrons38 e-
Animated Bora atoma struktūras modelis of Sr (Stroncijs)

Fizikāla Īpašība

Atoma Rādiuss
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
blīvums
Atomic Radii Of The Elements: Stroncijs0102030405060708090100110120130140150160170180190200210220230240250pmAtoma RādiussCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

enerģija
proton affinity
Elektrontieksme
jonizācijas potenciāls
jonizācijas potenciāls of Sr (Stroncijs)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektrons
electron shell2, 8, 18, 8, 2
Bora atoma struktūras modelis: Sr (Stroncijs)
vērtības elektrons2
Lewis structure: Sr (Stroncijs)
elektronu konfigurācija[Kr] 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
Enhanced Bora atoma struktūras modelis of Sr (Stroncijs)
Orbital Diagram of Sr (Stroncijs)
Oksidēšanas pakāpe1, 2
elektronegativitāte
0.95
Electrophilicity Index
fundamentālais agregātstāvoklis
agregātstāvoklisSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
trīskāršais punkts
appearance
krāsa
Silver
appearance
Laušanas koeficients
thermodynamic material property
Thermal Conductivity
Termiskā izplešanās
Molārā siltumietilpība
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
īpatnējā pretestība
Supravadītspēja
Magnētisms
typeparamagnetic
magnetic susceptibility (Mass)
0,00000000132 m³/Kg
magnetic susceptibility (Molar)
0,000000000116 m³/mol
magnetic susceptibility (Volume)
0,00000347
magnetic ordering
Curie temperature
Néel temperature
struktūra
Crystal StructureFace Centered Cubic (FCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Cietība
tilpuma elastības modulis
shear modulus
Junga modulis
Poisson's ratio
0,28
skaņas ātrums
klasifikācija
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number15
Mendeleev Number8
Pettifor Number15
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
1,2
Neutron Mass Absorption
0,0005
quantum number1S0
space group225 (Fm_3m)

Isotopes of Strontium

Stable Isotopes3
Unstable Isotopes32
Natural Isotopes4
Isotopic Composition8882.58%8882.58%869.86%869.86%877.00%877.00%840.56%840.56%

73Sr

Masas skaitlis73
neutron number35
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
25,3 ± 1,4 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1993
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)63%

74Sr

Masas skaitlis74
neutron number36
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
27,6 ± 2,6 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1995
parity+

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

75Sr

Masas skaitlis75
neutron number37
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
85,2 ± 2,3 ms
spins3/2
nuclear quadrupole moment
atklāšanas datums1991
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)5.2%

76Sr

Masas skaitlis76
neutron number38
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
7,89 ± 0,07 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1990
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3.4%

77Sr

Masas skaitlis77
neutron number39
Relative Atomic Mass
g-factor
-0,1392 ± 0,0016
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
9 ± 0,2 s
spins5/2
nuclear quadrupole moment
1,27 ± 0,05
atklāšanas datums1976
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.08%

78Sr

Masas skaitlis78
neutron number40
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
156,1 ± 2,7 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1982
parity+

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

79Sr

Masas skaitlis79
neutron number41
Relative Atomic Mass
g-factor
-0,316 ± 0,0026666666666667
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,25 ± 0,1 m
spins3/2
nuclear quadrupole moment
0,661 ± 0,006
atklāšanas datums1972
parity-

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

80Sr

Masas skaitlis80
neutron number42
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
106,3 ± 1,5 m
spins0
nuclear quadrupole moment
0
atklāšanas datums1961
parity+

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

81Sr

Masas skaitlis81
neutron number43
Relative Atomic Mass
g-factor
1,086 ± 0,008
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
22,3 ± 0,4 m
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1952
parity-

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

82Sr

Masas skaitlis82
neutron number44
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
25,35 ± 0,03 d
spins0
nuclear quadrupole moment
0
atklāšanas datums1952
parity+

decay modeintensity
ϵ (electron capture)100%

83Sr

Masas skaitlis83
neutron number45
Relative Atomic Mass
g-factor
-0,237 ± 0,0002
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
32,41 ± 0,03 h
spins7/2
nuclear quadrupole moment
0,708 ± 0,011
atklāšanas datums1952
parity+

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

84Sr

Masas skaitlis84
neutron number46
Relative Atomic Mass
g-factor
0
natural abundance
0,56 ± 0,02
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins0
nuclear quadrupole moment
0
atklāšanas datums1936
parity+

decay modeintensity
+ (double β+ decay)

85Sr

Masas skaitlis85
neutron number47
Relative Atomic Mass
g-factor
-0,22224444444444 ± 0,00015555555555556
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
64,846 ± 0,006 d
spins9/2
nuclear quadrupole moment
0,263 ± 0,014
atklāšanas datums1940
parity+

decay modeintensity
ϵ (electron capture)100%

86Sr

Masas skaitlis86
neutron number48
Relative Atomic Mass
g-factor
0
natural abundance
9,86 ± 0,2
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins0
nuclear quadrupole moment
0
atklāšanas datums1931
parity+

87Sr

Masas skaitlis87
neutron number49
Relative Atomic Mass
g-factor
-0,24292444444444 ± 0,000024444444444444
natural abundance
7 ± 0,2
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins9/2
nuclear quadrupole moment
0,305 ± 0,002
atklāšanas datums1931
parity+

88Sr

Masas skaitlis88
neutron number50
Relative Atomic Mass
g-factor
0
natural abundance
82,58 ± 0,35
radioaktivitātestable isotope
Pussabrukšanas periodsNot Radioactive ☢️
spins0
nuclear quadrupole moment
0
atklāšanas datums1923
parity+

89Sr

Masas skaitlis89
neutron number51
Relative Atomic Mass
g-factor
-0,4592 ± 0,0008
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
50,563 ± 0,025 d
spins5/2
nuclear quadrupole moment
-0,253 ± 0,008
atklāšanas datums1937
parity+

decay modeintensity
β (β decay)100%

90Sr

Masas skaitlis90
neutron number52
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
28,91 ± 0,03 y
spins0
nuclear quadrupole moment
0
atklāšanas datums1948
parity+

decay modeintensity
β (β decay)100%

91Sr

Masas skaitlis91
neutron number53
Relative Atomic Mass
g-factor
-0,354 ± 0,0008
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
9,65 ± 0,06 h
spins5/2
nuclear quadrupole moment
0,042 ± 0,01
atklāšanas datums1943
parity+

decay modeintensity
β (β decay)100%

92Sr

Masas skaitlis92
neutron number54
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
2,611 ± 0,017 h
spins0
nuclear quadrupole moment
0
atklāšanas datums1956
parity+

decay modeintensity
β (β decay)100%

93Sr

Masas skaitlis93
neutron number55
Relative Atomic Mass
g-factor
-0,3172 ± 0,0008
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
7,43 ± 0,03 m
spins5/2
nuclear quadrupole moment
0,24 ± 0,01
atklāšanas datums1959
parity+

decay modeintensity
β (β decay)100%

94Sr

Masas skaitlis94
neutron number56
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
75,3 ± 0,2 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1959
parity+

decay modeintensity
β (β decay)100%

95Sr

Masas skaitlis95
neutron number57
Relative Atomic Mass
g-factor
-1,074 ± 0,004
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
23,9 ± 0,14 s
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1961
parity+

decay modeintensity
β (β decay)100%

96Sr

Masas skaitlis96
neutron number58
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
1,059 ± 0,008 s
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

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

97Sr

Masas skaitlis97
neutron number59
Relative Atomic Mass
g-factor
-0,996 ± 0,004
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
432 ± 4 ms
spins1/2
nuclear quadrupole moment
0
atklāšanas datums1978
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.02%

98Sr

Masas skaitlis98
neutron number60
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
653 ± 2 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.23%

99Sr

Masas skaitlis99
neutron number61
Relative Atomic Mass
g-factor
-0,174 ± 0,0033333333333333
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
269,2 ± 1 ms
spins3/2
nuclear quadrupole moment
0,76 ± 0,04
atklāšanas datums1975
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.1%

100Sr

Masas skaitlis100
neutron number62
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
202,1 ± 1,7 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1978
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.11%

101Sr

Masas skaitlis101
neutron number63
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
113,7 ± 1,7 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1983
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.75%

102Sr

Masas skaitlis102
neutron number64
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
69 ± 6 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1986
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5.5%

103Sr

Masas skaitlis103
neutron number65
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
53 ± 10 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1997
parity+

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

104Sr

Masas skaitlis104
neutron number66
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
50,6 ± 4,2 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums1997
parity+

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

105Sr

Masas skaitlis105
neutron number67
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
39 ± 5 ms
spins5/2
nuclear quadrupole moment
atklāšanas datums1997
parity+

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

106Sr

Masas skaitlis106
neutron number68
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
21 ± 8 ms
spins0
nuclear quadrupole moment
0
atklāšanas datums2010
parity+

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

107Sr

Masas skaitlis107
neutron number69
Relative Atomic Mass
g-factor
natural abundance
radioaktivitāte☢️ radioactive element
Pussabrukšanas periods
spins1/2
nuclear quadrupole moment
0
atklāšanas datums2010
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Strontium destilled crystals

vēsture

atklājējs vai izgudrotājsA. Crawford
atraduma atrašanās vietaScotland
atklāšanas datums1790
EtimoloģijaFrom the Scottish town, Strontian.
izrunaSTRON-she-em (angļu)

avots

Abundance
Abundance in Earth's crust
natural abundance (okeāns)
natural abundance (cilvēka ķermenis)
0,00046 %
natural abundance (meteoroīds)
0,00087 %
natural abundance (Saule)
0,000005 %
Abundance in Universe
0,000004 %

Nuclear Screening Constants

1s0.8089
2p3.9696
2s10.0982
3d15.2738
3p15.8324
3s15.3362
4p26.068
4s24.5556
5s31.9295